Nazaret, F. V., Mortal, D., M., & Regala, D. A. (1977). Working life tables for males and females in the Philippines, 1970. National Census and Statistics Office.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNazaret, Francisco V., Dolores Mortal, M, और Dulce A. Regala. Working Life Tables for Males and Females in the Philippines, 1970. Manila: National Census and Statistics Office, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNazaret, Francisco V., et al. Working Life Tables for Males and Females in the Philippines, 1970. National Census and Statistics Office, 1977.
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