(2014). Cocolisap: Threat to the tree of life. Philippine Graphic.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Cocolisap: Threat to the Tree of Life." Philippine Graphic 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Cocolisap: Threat to the Tree of Life." Philippine Graphic, 2014.
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