Kalbermatten, John M.
The World Bank, 1980
Buku Teks
Husain, S.K.
Oxford & IBH Publishing Co., 1982
Buku Teks
edited by Richard Feachem, Michael McGarry, Duncan Mara
John Wiley & Sons, 1980
Buku Teks
edited by John Pickford
Grosvenor Press International, 1987
Buku Teks
Grosvenor Press, 1986
Buku Teks