1. International wildlife trade: a CITES sourcebook,1994
2. The endangered species act,2001
3. 16 U.S.C. §701 (1900).
4. 16 U.S.C. §§3371–3378 (1981) (as amended 1984 and 19880.
5. Title 16, Chapter 7: Protection of migratory game and insectivorous birds. Available at: www4.law.cornell.edu/uscode/html/uscode16/usc_sup_01_16_10_7.html. Accessed December 2004.