World Health Organization. (2011). Guidelines on optimal feeding of low birth-weight infants in low- and middle-income countries. World Health Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization. Guidelines on Optimal Feeding of Low Birth-weight Infants in Low- and Middle-income Countries. Geneva, Switzerland: World Health Organization, 2011.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)World Health Organization. Guidelines on Optimal Feeding of Low Birth-weight Infants in Low- and Middle-income Countries. World Health Organization, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.