edited by Stanley Johnson
John Wiley & Sons, 1973
Buku Teks
Ehrlich, Paul R., author
Sierra Club/ballantine, 1971
Buku Teks
Wrong, Dennis H
Random House, 1985
Buku Teks
Teuku Mohammad Radhie, author
Yayasan Penelitian dan Pengembangan Hukum, 1976
Buku Teks
Saw, Swee-Hock, 1931-, author
Institute of Southeast Asian Studies, 2007
Buku Teks