APA aipamena

SPRIEGAL W.R. OTHER. (1979). ELEMENTS OF SUPERVISION. J.WILEY & SONS INC.

Chicago Style aipamena

SPRIEGAL W.R. OTHER. ELEMENTS OF SUPERVISION. J.WILEY & SONS INC, 1979.

MLA aipamena

SPRIEGAL W.R. OTHER. ELEMENTS OF SUPERVISION. J.WILEY & SONS INC, 1979.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.