Co, L. L. (2006). Forest trees of Palanan, Philippines: A study in population ecology. Center for Integrative and Development Studies, University of the Philippines.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCo, Leonardo L. Forest Trees of Palanan, Philippines: A Study in Population Ecology. Quezon City: Center for Integrative and Development Studies, University of the Philippines, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCo, Leonardo L. Forest Trees of Palanan, Philippines: A Study in Population Ecology. Center for Integrative and Development Studies, University of the Philippines, 2006.
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