Frank, Isaiah
Md. Johns Hopkins University Press, 1980
Buku Teks
Committee for Economic Development , 1981
Buku Teks
Stamper, B. Maxwell.
N.Y. The Population Council , 1977
Buku Teks
Renaud, Bertrand
Oxford University Press, 1981
Buku Teks
United Nations , 1993
Buku Teks