APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

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