APA ציטוט

F W Zweifel. (1961). A handbook of biological illustration. Chicago: Univ. of Chicago.

Trích dẫn kiểu Chicago

F W Zweifel. A Handbook of Biological Illustration. Chicago: Univ. of Chicago, 1961.

ציטוט MLA

F W Zweifel. A Handbook of Biological Illustration. Chicago: Univ. of Chicago, 1961.