Campos, O. V. (2007). RP is 14th leading biotech producer. Manila Standard Today.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCampos, Othel V. "RP Is 14th Leading Biotech Producer." Manila Standard Today 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCampos, Othel V. "RP Is 14th Leading Biotech Producer." Manila Standard Today, 2007.
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