APA (7th ed.) Zitazioa

ebrary, Inc, & Walker, A. (2006). Beginning the principalship: International views. Emerald Group Publishing.

Chicago Style (17th ed.) Zitazioa

ebrary, Inc, eta Allan Walker. Beginning the Principalship: International Views. Bradford, England: Emerald Group Publishing, 2006.

MLA (9th ed.) Zitazioa

ebrary, Inc, eta Allan Walker. Beginning the Principalship: International Views. Emerald Group Publishing, 2006.