Canadian Institute of International Affairs, 1970
Buku Teks
Danelius, Hans
The Swedish Institute, 1981
Buku Teks
edited by Kenneth W. Thompson
University Press of America, 1980
Buku Teks
S.M. Haider
The Book House, 1978
Buku Teks
North-South Institute , 1993
Buku Teks