Philippine Council for Foreign Relations. (1997). Foreign relations journal. Philippine Council for Foreign Relations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhilippine Council for Foreign Relations. Foreign Relations Journal. [Manila, Philippines: Philippine Council for Foreign Relations, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhilippine Council for Foreign Relations. Foreign Relations Journal. Philippine Council for Foreign Relations, 1997.
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