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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhilippine Society: Reflections on Contemporary Issues. Quezon City: Institute of Religion and Culture, Philippines, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhilippine Society: Reflections on Contemporary Issues. Institute of Religion and Culture, Philippines, 1990.
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