Adams, W. (1935). Studies in tolerance of New England forest trees. Free Pres Printing.
Citazione stile Chigago Style (17a edizione)Adams, W.R. Studies in Tolerance of New England Forest Trees. Burlington: Free Pres Printing, 1935.
Citatione MLA (9a ed.)Adams, W.R. Studies in Tolerance of New England Forest Trees. Free Pres Printing, 1935.
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