APA (7th ed.) Zitazioa

(2016). Key Methods in Geography (3rd ed.). Sage.

Chicago Style (17th ed.) Zitazioa

Key Methods in Geography. 3rd ed. New Delhi: Sage, 2016.

MLA (9th ed.) Zitazioa

Key Methods in Geography. 3rd ed. Sage, 2016.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.