APA (7th ed.) Zitazioa

Spencer, W. (1996). The Middle East (6th. ed.). Dushkin.

Chicago Style (17th ed.) Zitazioa

Spencer, William. The Middle East. 6th. ed. Guilford: Dushkin, 1996.

MLA (9th ed.) Zitazioa

Spencer, William. The Middle East. 6th. ed. Dushkin, 1996.