Citazione Stile APA (7a Edizione)

Certo, S. C. (2006). Supervision: Concepts and skill-building (quinta edición.). McGraw-Hill Irwin.

Citazione stile Chigago Style (17a edizione)

Certo, Ssamuel C. Supervision: Concepts and Skill-building. quinta edición. Boston, Massachusetts: McGraw-Hill Irwin, 2006.

Citatione MLA (9a ed.)

Certo, Ssamuel C. Supervision: Concepts and Skill-building. quinta edición. McGraw-Hill Irwin, 2006.