Cita APA (7th ed.)
Certo, S. C. (2008). Supervision: Concept and skill building (6th ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Certo, Samuel C. Supervision: Concept and Skill Building. 6th ed. New York, NY: McGraw-Hill, 2008.
Cita MLA (9th ed.)
Certo, Samuel C. Supervision: Concept and Skill Building. 6th ed. McGraw-Hill, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.