Cowie, A.P.
Oxford University Press, 1993
Buku Referensi
editor, Bantarto Bandoro
Centre for Strategic and International Studies, 1992
Buku Teks
Keesing, Roger M.
Holt, Rinehart and winston, 1975
Buku Teks
Agus Sudono
Asian-American Free Labor Institute, 1973
Buku Teks
International Book & Record Distributors, 1980
Buku Teks