APA (7th ed.) Zitazioa

Hartshorn, T. A. (2000). Economic Geography. Pentice Hall.

Chicago Style (17th ed.) Zitazioa

Hartshorn, Truman A. Economic Geography. New Delhi: Pentice Hall, 2000.

MLA (9th ed.) Zitazioa

Hartshorn, Truman A. Economic Geography. Pentice Hall, 2000.