APA aipamena

McColl, R. W. (2005). Encyclopedia of world geography. Checkmark Books/Facts On File.

Chicago Style aipamena

McColl, R. W. Encyclopedia of World Geography. New York: Checkmark Books/Facts On File, 2005.

MLA aipamena

McColl, R. W. Encyclopedia of World Geography. Checkmark Books/Facts On File, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.