APA aipamena

Danielson, E. W. (1989). Earth science. Collier Macmillan.

Chicago Style aipamena

Danielson, Eric W. Earth Science. New York: Collier Macmillan, 1989.

MLA aipamena

Danielson, Eric W. Earth Science. Collier Macmillan, 1989.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.