Keng, H. (1983). Orders and families of Malayan seed plants. University of Malaya Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKeng, Hsuan. Orders and Families of Malayan Seed Plants. Kuala Lumpur: University of Malaya Press, 1983.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKeng, Hsuan. Orders and Families of Malayan Seed Plants. University of Malaya Press, 1983.
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