Wofford. Woody Plants of Kentucky and Tennessee. The University Press of Kentucky.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWofford. Woody Plants of Kentucky and Tennessee. The University Press of Kentucky.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWofford. Woody Plants of Kentucky and Tennessee. The University Press of Kentucky.
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