APA aipamena

Alfonso, A. B., Layo, L. L., & Bulatao, R. A. (1980). Culture and fertility: The case of the Philippines. Institute of Southeast Asian Studies.

Chicago Style aipamena

Alfonso, Amelia B., Leda L. Layo, and Rodolfo A. Bulatao. Culture and Fertility: The Case of the Philippines. Singapore: Institute of Southeast Asian Studies, 1980.

MLA aipamena

Alfonso, Amelia B., et al. Culture and Fertility: The Case of the Philippines. Institute of Southeast Asian Studies, 1980.