APA aipamena

Richard Robinson, & Richard Robinson; editor in chief. (2002). Biology. New York: Macmillan Reference USA.

Chicago Style aipamena

Richard Robinson, và Richard Robinson; editor in chief. Biology. New York: Macmillan Reference USA, 2002.

MLA aipamena

Richard Robinson, và Richard Robinson; editor in chief. Biology. New York: Macmillan Reference USA, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.