Encarnacion, V. V. (1978). Recent materials on the ASEAN. Philippine Center for Advanced Studies, University of the Philippines System.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEncarnacion, Violeta Villavert. Recent Materials on the ASEAN. Quezon City: Philippine Center for Advanced Studies, University of the Philippines System, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEncarnacion, Violeta Villavert. Recent Materials on the ASEAN. Philippine Center for Advanced Studies, University of the Philippines System, 1978.
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