Tohutoro APA (7th ed.)

Certo, S. C. (2008). Supervision: Concept and skill building (6th ed.). McGraw-Hill.

Tohutoru Kātū Chicago (17th ed.)

Certo, Samuel C. Supervision: Concept and Skill Building. 6th ed. New York, NY: McGraw-Hill, 2008.

Tohutoro MLA (9th ed.)

Certo, Samuel C. Supervision: Concept and Skill Building. 6th ed. McGraw-Hill, 2008.