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.
Chicago-viite (17. p.)United Nations. Department of Economic and Social Affairs. Population Division ja 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.
MLA-viite (9. p.)United Nations. Department of Economic and Social Affairs. Population Division ja 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.