Dina Zenitha
Peranan Convention on International Trade in endangered Species of Eild Fauna and Flora (CITES) terhadap perlindungan spesies langka di dunia serta implementasinya di Indonesia
Fakultas Hukum Universitas Indonesia , 2002
 UI - Skripsi Membership
Encyclopedia of endangered species
edited by Mary Emanoil
Gale Research Inc., 1994
 Buku Referensi
Manual : survey & monitoring endangered species di taman nasional Gunung Halimun-Salak
disusun oleh Syahrial Anhar Harahap
Departemen Kehutanan , 2008
 Buku Teks
Science and the endangered species act
Washington National Academy Press , 1995
 Buku Teks
Evans, Nicholas
Dying words : endangered languages and what they have to tell us
Wiley-Blackwell, 2010
 Buku Teks SO