United Nations. Dept. of International Economc and Social Affairs & United Nations. Dept. of International Economic and Social Affairs. (1979). The methodology of measuring the impact of family planning programmes on fertility. United Nations.
Citazione stile Chigago Style (17a edizione)United Nations. Dept. of International Economc and Social Affairs e United Nations. Dept. of International Economic and Social Affairs. The Methodology of Measuring the Impact of Family Planning Programmes on Fertility. New York: United Nations, 1979.
Citatione MLA (9a ed.)United Nations. Dept. of International Economc and Social Affairs e United Nations. Dept. of International Economic and Social Affairs. The Methodology of Measuring the Impact of Family Planning Programmes on Fertility. United Nations, 1979.