Adams, W. (1935). Studies in tolerance of New England forest trees. Free Pres Printing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAdams, W.R. Studies in Tolerance of New England Forest Trees. Burlington: Free Pres Printing, 1935.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAdams, W.R. Studies in Tolerance of New England Forest Trees. Free Pres Printing, 1935.
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