APA (7th ed.) Zitazioa
Haydon, G. (2007). Values for educational leadership. SAGE Publications.
Chicago Style (17th ed.) Zitazioa
Haydon, Graham. Values for Educational Leadership. Los Angeles: SAGE Publications, 2007.
MLA (9th ed.) Zitazioa
Haydon, Graham. Values for Educational Leadership. SAGE Publications, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.