Calica, A. (2012). P-Noy: Do what's right, stay hopeful. Philippine Star.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCalica, Aurea. "P-Noy: Do What's Right, Stay Hopeful." Philippine Star 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCalica, Aurea. "P-Noy: Do What's Right, Stay Hopeful." Philippine Star, 2012.
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