APA (7th ed.) Zitazioa

(1972). A Survey of Research in geography. Popular Prakashan.

Chicago Style (17th ed.) Zitazioa

A Survey of Research in Geography. New Delhi: Popular Prakashan, 1972.

MLA (9th ed.) Zitazioa

A Survey of Research in Geography. Popular Prakashan, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.