Foz, V. B. (1999). Roco elected member of IPU committee. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFoz, Vicente B. "Roco Elected Member of IPU Committee." Manila Bulletin 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFoz, Vicente B. "Roco Elected Member of IPU Committee." Manila Bulletin, 1999.
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