Cagahastian, D. (2004). Pearce hopeful of better, closer relations with RP. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCagahastian, David. "Pearce Hopeful of Better, Closer Relations with RP." Manila Bulletin 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCagahastian, David. "Pearce Hopeful of Better, Closer Relations with RP." Manila Bulletin, 2004.
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