Commission on Population, Philippines. Department of Education, National Seminar on Population Education (1st : 1971 : St. Joseph's College), Cayari, R., Elevazo, A., & Fernandez, L. (1971). Population education: A matter of urgency. [s.n.].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Commission on Population, Philippines. Department of Education, National Seminar on Population Education (1st : 1971 : St. Joseph's College), R.M Cayari, A.O Elevazo, و L.B Fernandez. Population Education: A Matter of Urgency. Quezon City: [s.n.], 1971.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Commission on Population, et al. Population Education: A Matter of Urgency. [s.n.], 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.