APA ציטוט

Eldon D. Enger. (2003). Concepts in Biology. New York: McGraw- Hill.

Trích dẫn kiểu Chicago

Eldon D. Enger. Concepts in Biology. New York: McGraw- Hill, 2003.

ציטוט MLA

Eldon D. Enger. Concepts in Biology. New York: McGraw- Hill, 2003.