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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United Nations. Department of Economic and Social Affairs. Population Division و 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.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)United Nations. Department of Economic and Social Affairs. Population Division و 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.