Center for Strategi and International Studies, 1975
Buku Teks
Sutan Takdir Alisjahbana, author
Dian Rakyat, 1987
Buku Teks
Christie, Clive J., author
Tauris Academic, 1996
Buku Teks
Bastin, John, author
Prentice Hall of Australia, 1977
Buku Teks
Paauw, Douglas S.
National Planning Association , 1966
Buku Teks