APA (7 वां संस्करण) प्रशस्ति पत्र

(1989). Conference on the Alternatives to the U.S. Facilities in the Philippines (1989: Manila). Foreign Service Institute. Research Development Center.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Conference on the Alternatives to the U.S. Facilities in the Philippines (1989: Manila). Manila: Foreign Service Institute. Research Development Center, 1989.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Conference on the Alternatives to the U.S. Facilities in the Philippines (1989: Manila). Foreign Service Institute. Research Development Center, 1989.

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