Committee on Foreign Affairs. Subcommittee on Human Rights and International Organizations., 1992
Buku Teks SO
Fauzi Abdullah
Pustaka Sinar Harapan, 1981
Buku Teks SO
Grosz, Stephen
Sweet and Maxwell, 2000
Buku Teks
Office of The Coordinating Minister for Social Welfare and Poverty Alleviation, 1998
Buku Referensi
United Nations Conference on Human Environment, 1972
Buku Teks SO