APA (7th ed.) Zitazioa

Valentine, G. (2015). Approaches to Human Geography: Philosophies, theories, people and practices (2nd ed.). Sage.

Chicago Style (17th ed.) Zitazioa

Valentine, Gill. Approaches to Human Geography: Philosophies, Theories, People and Practices. 2nd ed. New Delhi: Sage, 2015.

MLA (9th ed.) Zitazioa

Valentine, Gill. Approaches to Human Geography: Philosophies, Theories, People and Practices. 2nd ed. Sage, 2015.