Kaushik, R.P., author
Oriental Longman, 1979
Buku Teks
Thai, Quang Trung, author
LP3ES, 1990
Buku Teks
Southeast Asia Development Advisory Group of the Asia Society, 1970
Buku Teks
Dion Hardika Sumarto, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2007
UI - Skripsi (Membership)
Swearingen, Rodger, author
American Bar Association, 1967
Buku Teks