Unisa, S. (1996). State-of-the art of teaching demography/population studies in various universities and institutions. International Institute for Population Sciences.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Unisa, Sayeed. State-of-the Art of Teaching Demography/population Studies in Various Universities and Institutions. Mumbai: International Institute for Population Sciences, 1996.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Unisa, Sayeed. State-of-the Art of Teaching Demography/population Studies in Various Universities and Institutions. International Institute for Population Sciences, 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.