APA ציטוט

Avila, V. L. (1995). Biology: Investigating life on earth. Boston: Jones and Bartlett.

Trích dẫn kiểu Chicago

Avila, Vernon L. Biology: Investigating Life On Earth. Boston: Jones and Bartlett, 1995.

ציטוט MLA

Avila, Vernon L. Biology: Investigating Life On Earth. Boston: Jones and Bartlett, 1995.