Karim, A. M., & Khan, M. S. I. (1999). Developing strategies for improving the quality and performance of clinical contraceptive services: A review. International Centre for Diarrhoeal Disease Research, Bangladesh.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Karim, Ali Mehryar, و Md. Shamsul Islam Khan. Developing Strategies for Improving the Quality and Performance of Clinical Contraceptive Services: A Review. Dhaka: International Centre for Diarrhoeal Disease Research, Bangladesh, 1999.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Karim, Ali Mehryar, و Md. Shamsul Islam Khan. Developing Strategies for Improving the Quality and Performance of Clinical Contraceptive Services: A Review. International Centre for Diarrhoeal Disease Research, Bangladesh, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.