De Laubenfels, D. J. (1975). Mapping the world's vegetation: Regionalization of formations and flora. Syracuse University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDe Laubenfels, David John. Mapping the World's Vegetation: Regionalization of Formations and Flora. Syracuse, N.Y.: Syracuse University Press, 1975.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDe Laubenfels, David John. Mapping the World's Vegetation: Regionalization of Formations and Flora. Syracuse University Press, 1975.
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