Romero, P. (2009). Doubts cast on accuracy of Noynoy survey. Philippine Star.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRomero, Paolo. "Doubts Cast on Accuracy of Noynoy Survey." Philippine Star 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRomero, Paolo. "Doubts Cast on Accuracy of Noynoy Survey." Philippine Star, 2009.
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