(1981). Guide to Philippine flora and fauna. Natural Resources Management Center and the University of the Philippines Natural Science Research Center.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGuide to Philippine Flora and Fauna. Quezon City: Natural Resources Management Center and the University of the Philippines Natural Science Research Center, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGuide to Philippine Flora and Fauna. Natural Resources Management Center and the University of the Philippines Natural Science Research Center, 1981.
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