Colletta, N. J. (1996). The Condition Of Young Children In Sub-saharan Africa The Convergence Of Health, Nutrition, And Early Education Nat J. Colletta, Jayshree Balachander, Xioyan Liang. The World Bank.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Colletta, Nat J. The Condition Of Young Children In Sub-saharan Africa The Convergence Of Health, Nutrition, And Early Education Nat J. Colletta, Jayshree Balachander, Xioyan Liang. The World Bank, 1996.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Colletta, Nat J. The Condition Of Young Children In Sub-saharan Africa The Convergence Of Health, Nutrition, And Early Education Nat J. Colletta, Jayshree Balachander, Xioyan Liang. The World Bank, 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.