Calapan, S. C. (2001). Soymilk offers solution to lactose intolerance. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCalapan, Sheila C. "Soymilk Offers Solution to Lactose Intolerance." Manila Bulletin 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCalapan, Sheila C. "Soymilk Offers Solution to Lactose Intolerance." Manila Bulletin, 2001.
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