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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUnited Nations. Department of Economic and Social Affairs. Population Division এবং 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.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিUnited Nations. Department of Economic and Social Affairs. Population Division এবং 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.