LANGENHEIM, J. H. (1982). Botany Plant Biology And Its Relation To Human Affairs/jean H. Langenheim. John Wiley &Sons.
Chicago-referens (17:e uppl.)LANGENHEIM, Jean H. Botany Plant Biology And Its Relation To Human Affairs/jean H. Langenheim. John Wiley &Sons, 1982.
MLA-referens (8:e uppl.)LANGENHEIM, Jean H. Botany Plant Biology And Its Relation To Human Affairs/jean H. Langenheim. John Wiley &Sons, 1982.
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