Colina, A. I. L. (2019). DavSur coffee grower to represent PH in Boston coffee expo. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रColina, Antonio IV L. "DavSur Coffee Grower to Represent PH in Boston Coffee Expo." Manila Bulletin 2019.
एमएलए (9वां संस्करण) प्रशस्ति पत्रColina, Antonio IV L. "DavSur Coffee Grower to Represent PH in Boston Coffee Expo." Manila Bulletin, 2019.
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