Costello, M. A. (1988). Infant and childhood mortality research in the Philippines: A review and an agenda. Population/Development Planning and Research Project.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Costello, Michael A. Infant and Childhood Mortality Research in the Philippines: A Review and an Agenda. [Makati, Metro Manila]: Population/Development Planning and Research Project, 1988.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Costello, Michael A. Infant and Childhood Mortality Research in the Philippines: A Review and an Agenda. Population/Development Planning and Research Project, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.