APA ציטוט

Villee, C. A. (1989). Biology (2nd ed.). Philadelphia: Saunders College Pub..

Trích dẫn kiểu Chicago

Villee, Claude Alvin. Biology. 2nd ed. Philadelphia: Saunders College Pub., 1989.

ציטוט MLA

Villee, Claude Alvin. Biology. 2nd ed. Philadelphia: Saunders College Pub., 1989.