APA (7th ed.) Zitazioa

Colwell, C. (2015). Impact: How assistant principals can be high performing leaders. Rowman & Littlefield.

Chicago Style (17th ed.) Zitazioa

Colwell, Christopher. Impact: How Assistant Principals Can Be High Performing Leaders. Lanham, Maryland: Rowman & Littlefield, 2015.

MLA (9th ed.) Zitazioa

Colwell, Christopher. Impact: How Assistant Principals Can Be High Performing Leaders. Rowman & Littlefield, 2015.