APA aipamena

Campbell, N. (1999). Biology. Menlo Park, California: Addison Wesley Longman.

Chicago Style aipamena

Campbell, Neil. Biology. Menlo Park, California: Addison Wesley Longman, 1999.

MLA aipamena

Campbell, Neil. Biology. Menlo Park, California: Addison Wesley Longman, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.