Weiss, John
Prentice-Hall, 1995
Buku Teks
Akin, John S.
World Bank, 1987
Buku Teks
Ahmad, Ehtisham
Cambridge Uiversity Press, 1991
Buku Teks SO
Ahmad, Ehtisham
Cambridge Uiversity Press, 1991
Buku Teks SO
edited by Peter A. Berman
Harvard University Press, 1995
Buku Teks