Developing world water
edited by John Pickford
Grosvenor Press International, 1987
 Buku Teks
Developing world water
Grosvenor Press, 1986
 Buku Teks
Developing world water : essential reading for the water industry worldwide containing over 70 features and 250 illustrations
Grosvenor Press International, T.t.
 Buku Teks
World development report 1992: development and the environment
World Bank
Oxford University Press, 1992
 Buku Teks
Annual report 1999 : The OPEC fund for International development
The OPEC Fund for International Development, 2000
 Buku Teks