National Research Council (U.S.). Working Group on Demographic Effects of Economic and Social Reversals. (1993). Demographic effects of economic reversals in sub-saharan Africa. National Academy Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Research Council (U.S.). Working Group on Demographic Effects of Economic and Social Reversals. Demographic Effects of Economic Reversals in Sub-saharan Africa. Washington, D.C: National Academy Press, 1993.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)National Research Council (U.S.). Working Group on Demographic Effects of Economic and Social Reversals. Demographic Effects of Economic Reversals in Sub-saharan Africa. National Academy Press, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.