Zweifel, F. W. (1961). A Handbook of biological illustration. The University of Chicago.
Chicago Style (17. basım) AtıfZweifel, Frances W. A Handbook of Biological Illustration. [Chicago]: The University of Chicago, 1961.
MLA (9th ed.) AtıfZweifel, Frances W. A Handbook of Biological Illustration. The University of Chicago, 1961.
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