United Nations. Economic and Social Commission for Asia and the Pacific. (1987). Directory of population experts in Asia and the Pacific 1987. UN ESCAP.
Cita Chicago (17th ed.)United Nations. Economic and Social Commission for Asia and the Pacific. Directory of Population Experts in Asia and the Pacific 1987. Bangkok: UN ESCAP, 1987.
Cita MLA (9th ed.)United Nations. Economic and Social Commission for Asia and the Pacific. Directory of Population Experts in Asia and the Pacific 1987. UN ESCAP, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.