SPRIEGAL W.R. OTHER. (1979). ELEMENTS OF SUPERVISION. J.WILEY & SONS INC.
Chicago-čujuhus (17. p.)SPRIEGAL W.R. OTHER. ELEMENTS OF SUPERVISION. J.WILEY & SONS INC, 1979.
MLA-čujuhus (9. p.)SPRIEGAL W.R. OTHER. ELEMENTS OF SUPERVISION. J.WILEY & SONS INC, 1979.
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