Cortes, I. R., Feliciano, M. S., & Sison, C. V. (1979). Philippine laws regulating and influencing the vital registration system. University of the Philippines, College of Law.
Chicago-referens (17:e uppl.)Cortes, Irene Rian, Myrna S. Feliciano, och Carmelo V. Sison. Philippine Laws Regulating and Influencing the Vital Registration System. Quezon City: University of the Philippines, College of Law, 1979.
MLA-referens (9:e uppl.)Cortes, Irene Rian, et al. Philippine Laws Regulating and Influencing the Vital Registration System. University of the Philippines, College of Law, 1979.
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