Zomlefer, W. B. (1994). Guide to flowering plant families. University of North Carolina Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रZomlefer, Wendy B. Guide to Flowering Plant Families. Chapel Hill: University of North Carolina Press, 1994.
एमएलए (9वां संस्करण) प्रशस्ति पत्रZomlefer, Wendy B. Guide to Flowering Plant Families. University of North Carolina Press, 1994.
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