APA-čujuhus (7. p.)
Fengel, D., & Wegener, G. (1989). Wood: Chemistry, ultrastructure, reactions. Walter de Gruyter.
Chicago-čujuhus (17. p.)
Fengel, Dietrich, juo Gerd Wegener. Wood: Chemistry, Ultrastructure, Reactions. Berlin ; New York: Walter de Gruyter, 1989.
MLA-čujuhus (9. p.)
Fengel, Dietrich, juo Gerd Wegener. Wood: Chemistry, Ultrastructure, Reactions. Walter de Gruyter, 1989.
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