Quammen, David
Natural acts : a sidelong view of science and nature
Schocken Books , 1985
 Buku Teks SO
Yates, Steve
The nature of Borneo
Facts On File, 1992
 Buku Referensi
MacKinnon, Kathy
Nature' treasurehouse : the wildlife of Indonesia
Gramedia Pustaka Utama, 1992
 Buku Teks
Rezendes, Paul
The wild withinh : adventures in nature and animal teachings
Berkeley Books, 1998
 Buku Teks SO
Land of wonder : the best Australia nature writing
selected and edited by Alec H. Chisholm
Angus & Robertson, 1964
 Buku Teks SO