Aquino, R. C. (2009). Shouldn't we be saying thank you?. IN Pensees [column]. Manila Standard Today.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAquino, Ranhilio Callangan. "Shouldn't We Be Saying Thank You?. IN Pensees [column]." Manila Standard Today 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAquino, Ranhilio Callangan. "Shouldn't We Be Saying Thank You?. IN Pensees [column]." Manila Standard Today, 2009.
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