Berry, J. B. (1966). Western forest trees: A guide to the identification of trees and woods for students, teachers, farmers and woodsmen. Dover.
Citace podle Chicago (17th ed.)Berry, James Berthold. Western Forest Trees: A Guide to the Identification of Trees and Woods for Students, Teachers, Farmers and Woodsmen. Nueva York: Dover, 1966.
Citace podle MLA (9th ed.)Berry, James Berthold. Western Forest Trees: A Guide to the Identification of Trees and Woods for Students, Teachers, Farmers and Woodsmen. Dover, 1966.
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