Merrill, E. D. (1926). A discussion and bibliography of Philippine flowering plants. Bureau of Printing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMerrill, Elmer Drew. A Discussion and Bibliography of Philippine Flowering Plants. Manila: Bureau of Printing, 1926.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMerrill, Elmer Drew. A Discussion and Bibliography of Philippine Flowering Plants. Bureau of Printing, 1926.
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