APA aipamena

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

Chicago Style aipamena

Certo, Samuel C. Supervision: Concepts and Skill-building. Boston: McGraw-Hill, 2006.

MLA aipamena

Certo, Samuel C. Supervision: Concepts and Skill-building. Boston: McGraw-Hill, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.