Παραπομπή APA

Campbell, N. A. (1996). Biology (4th ed.). Benjamin/Cummings Publishing.

Παραπομπή Chicago Style

Campbell, Neil A. Biology. 4th ed. California: Benjamin/Cummings Publishing, 1996.

Παραπομπή MLA

Campbell, Neil A. Biology. 4th ed. Benjamin/Cummings Publishing, 1996.