Blundell, A.G. & Mascia, M.B. (2005) Discrepancies in reported levels of international wildlife trade. Conservation Biology, 19, 2020–2025.
Blundell, A.G. & Rodan, B.D. (2003) Mahogany and CITES: moving beyond the veneer of legality. Oryx, 37, 85–90.
Chan, R. (2012) Caw of the wild. The Straits Times, 7 September 2012.
CITES (2006) Twenty-second meeting of the Animals Committee, Lima (Peru), 7–13 July 2006. Review of Significant Trade in specimens of Appendix-II species. Annex 1: Psittacus erithacus. Http://www.cites.org/eng/com/ac/22/E22-10-2-A1.pdf [accessed 16 August 2015].
Daszak, P., Cunningham, A.A. & Hyatt, A.D. (2000) Emerging infectious diseases of wildlife: threats to biodiversity and human health. Science, 287, 443–449.
Eckles, J. (ed.) (2010) FlyFree. PsittaScene, 22, 8–9.
Engler, M. & Parry-Jones, R. (2007) Opportunity or Threat? The Role of the European Union in Global Wildlife Trade. TRAFFIC Europe, Brussels, Belgium.
Gilbert, M., Bickford, D., Clark, L., Johnson, A., Joyner, P.H., Keatts, L.O.
et al. (2013) Amphibian pathogens in Southeast Asian frog trade. EcoHealth, 9, 386–398.
Jepson, P. & Ladle, R. (2005) Bird-keeping in Indonesia: conservation impacts and the potential for substitution-based conservation responses. Oryx, 39, 442–448.
Karesh, W.B., Cook, R.A., Gilbert, M. & Newcomb, J. (2007) Implications of wildlife trade on the movement of avian influenza and other infectious diseases. Journal of Wildlife Diseases, 43, 55–59.
Lee, S.H.J. (2006) Wildlife trade in Singapore: a review of the pet bird trade. BSc thesis. National University of Singapore, Singapore.
Lin, J. (2005) Tackling Southeast Asia's illegal wildlife trade. Singapore Year Book of International Law and Contributors, 9, 191–208.
Lye, L.H. (1999) The implementation of the Convention on International Trade in Endangered Species in Singapore. Journal of International Wildlife Law & Policy, 2, 46–63.
Nash, S.V. (1993) Sold for a Song: The Trade in Southeast Asian Non-CITES Birds. TRAFFIC International, Cambridge, UK.
Nijman, V. (2010) An overview of international wildlife trade from Southeast Asia. Biodiversity and Conservation, 19, 1101–1114.
Phelps, J., Webb, E.L., Bickford, D., Nijman, V. & Sodhi, N.S. (2010) Boosting CITES. Science, 330, 1752–1753.
Roe, D. (2008) Trading Nature: A Report, with Case Studies, on the Contribution of Wildlife Trade Management to Sustainable Livelihoods and the Millennium Development Goals. TRAFFIC International, Cambridge, UK, and WWF International, Gland, Switzerland.
Rosen, G.E. & Smith, K.F. (2010) Summarizing the evidence on the international trade in illegal wildlife. EcoHealth, 7, 24–32.
Shepherd, C.R., Stengel, C.J. & Nijman, V. (2012) The Export and Re-export of CITES-listed Birds from the Solomon Islands. TRAFFIC Southeast Asia, Petaling Jaya, Selangor, Malaysia.
Sodhi, N.S., Lian, P.K., Brook, B.W. & Ng, P.K.L (2004) Southeast Asian biodiversity: an impending disaster. Trends in Ecology & Evolution, 19, 654–660.
Travis, D.A., Watson, R.P. & Tauer, A. (2011) The spread of pathogens through trade in wildlife. OIE Revue Scientifique et Technique, 30, 219–239.
Wyler, L.S. & Sheikh, P.A. (2103) International Illegal Trade in Wildlife: Threats and U.S. Policy. RL34395, Congressional Research Service, Washington, D.C., USA.
Yap, T.A., Koo, M.S., Ambrose, R.F., Wake, D.B. & Vredenburg, V.T. (2015). Averting a North American biodiversity crisis. Science, 349, 481–482.