APA (7e ed.) Bronvermelding

Holcomb, E. L. (2012). Essentials for principals: Data-based decision making (3rd ed.). Solution Tree Press.

Chicago (17e ed.) Bronvermelding

Holcomb, Edie L. Essentials for Principals: Data-based Decision Making. 3rd ed. Bloomington, Ind.: Solution Tree Press, 2012.

MLA (9e ed.) Bronvermelding

Holcomb, Edie L. Essentials for Principals: Data-based Decision Making. 3rd ed. Solution Tree Press, 2012.