Orbeta, A. C. (2005). Number of children and their education in Philippine households. Philippine Institute for Development Studies.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Orbeta, Aniceto C. Number of Children and Their Education in Philippine Households. Makati City: Philippine Institute for Development Studies, 2005.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Orbeta, Aniceto C. Number of Children and Their Education in Philippine Households. Philippine Institute for Development Studies, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.