APA (7e ed.) Bronvermelding

Certo, S. C. (2013). Supervision: Concepts and skill-building (8th ed.). McGraw-Hill Irwin.

Chicago (17e ed.) Bronvermelding

Certo, Samuel C. Supervision: Concepts and Skill-building. 8th ed. New York: McGraw-Hill Irwin, 2013.

MLA (9e ed.) Bronvermelding

Certo, Samuel C. Supervision: Concepts and Skill-building. 8th ed. McGraw-Hill Irwin, 2013.