United Nations. Department of Economic and Social Affairs. Population Division & Expert Group Meeting on Methods of Measuring the Impact of Family Planning Programmes on Fertility (3rd : 1982 : Geneva, Switzerland). (1985). Studies to enhance the evaluation of family planning programmes. United Nations.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)United Nations. Department of Economic and Social Affairs. Population Division và Switzerland) Expert Group Meeting on Methods of Measuring the Impact of Family Planning Programmes on Fertility (3rd : 1982 : Geneva. Studies to Enhance the Evaluation of Family Planning Programmes. New York: United Nations, 1985.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)United Nations. Department of Economic and Social Affairs. Population Division và Switzerland) Expert Group Meeting on Methods of Measuring the Impact of Family Planning Programmes on Fertility (3rd : 1982 : Geneva. Studies to Enhance the Evaluation of Family Planning Programmes. United Nations, 1985.