Alfonso, A. B., Layo, L. L., & Bulatao, R. A. (1980). Culture and fertility: The case of the Philippines. Institute of Southeast Asian Studies.
Chicago-viite (17. p.)Alfonso, Amelia B., Leda L. Layo, ja Rodolfo A. Bulatao. Culture and Fertility: The Case of the Philippines. Singapore: Institute of Southeast Asian Studies, 1980.
MLA-viite (9. p.)Alfonso, Amelia B., et al. Culture and Fertility: The Case of the Philippines. Institute of Southeast Asian Studies, 1980.
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