F W Zweifel. (1961). A handbook of biological illustration. Chicago: Univ. of Chicago.
Trích dẫn kiểu ChicagoF W Zweifel. A Handbook of Biological Illustration. Chicago: Univ. of Chicago, 1961.
MLA CitationF W Zweifel. A Handbook of Biological Illustration. Chicago: Univ. of Chicago, 1961.
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