BITTEL LESTER R. (1985). HANDBOOK FOR PROFESSIONAL MANAGERS. MCGRAW-HILL.
Chicago-čujuhus (17. p.)BITTEL LESTER R. HANDBOOK FOR PROFESSIONAL MANAGERS. NEW YORK: MCGRAW-HILL, 1985.
MLA-čujuhus (9. p.)BITTEL LESTER R. HANDBOOK FOR PROFESSIONAL MANAGERS. MCGRAW-HILL, 1985.
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