WHO. (2003). Antenatal care in developing countries: Promises, achievements and missed opportunities: an analysis of trends, level and differentials, 1990-2001.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)WHO. Antenatal Care in Developing Countries: Promises, Achievements and Missed Opportunities: An Analysis of Trends, Level and Differentials, 1990-2001. 2003.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)WHO. Antenatal Care in Developing Countries: Promises, Achievements and Missed Opportunities: An Analysis of Trends, Level and Differentials, 1990-2001. 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.