Hair, D. (1963). Economic importance of timber in the United States. U.S. Department of Agriculture, Forest Service.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHair, Dwight. Economic Importance of Timber in the United States. Washington: U.S. Department of Agriculture, Forest Service, 1963.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHair, Dwight. Economic Importance of Timber in the United States. U.S. Department of Agriculture, Forest Service, 1963.
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