APA (7th ed.) Zitazioa

(1980). Essentials of Geography and development: Concepts and processes. Macmillan.

Chicago Style (17th ed.) Zitazioa

Essentials of Geography and Development: Concepts and Processes. New York: Macmillan, 1980.

MLA (9th ed.) Zitazioa

Essentials of Geography and Development: Concepts and Processes. Macmillan, 1980.