Não informado. (2003). Contributions from the New York Botanical Garden. New Era Printing Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Contributions from the New York Botanical Garden. Lancaster, Pa: New Era Printing Company, 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Contributions from the New York Botanical Garden. New Era Printing Company, 2003.
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