edited by Kenneth Fidel
Transaction Books, 1975
Buku Teks
Page, Sheila, author
Overseas Development Institute, 2000
Buku Teks
edited by Stephan Haggard, Chung H. Lee and Sylvia Maxfield
Cornell University Press, 1993
Buku Teks
World Bank, 1980
Buku Teks
edited by Richard M. Bird and Oliver Oldman
John Hopkins, 1967
Buku Teks