APA aipamena

RAY, C. M. (1983). Supervision. Dryden Press.

Chicago Style aipamena

RAY, Charles M. Supervision. Dryden Press, 1983.

MLA aipamena

RAY, Charles M. Supervision. Dryden Press, 1983.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.