International Development Research Centre (Canada) & Population Council. (1990). Choice and challenge: Global teamwork in developing a contraceptive implant. International Development Research Centre in collaboration with the Population Council.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Development Research Centre (Canada) و Population Council. Choice and Challenge: Global Teamwork in Developing a Contraceptive Implant. Ottawa, Ont., Canada: International Development Research Centre in collaboration with the Population Council, 1990.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International Development Research Centre (Canada) و Population Council. Choice and Challenge: Global Teamwork in Developing a Contraceptive Implant. International Development Research Centre in collaboration with the Population Council, 1990.