DAVIS KEITH. (1993). HUMAN BEHAVIOR AT WORK: ORGANIZATIONAL BEHAVIOR (6.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Lua i Stíl Chicago (17ú heag.)DAVIS KEITH. HUMAN BEHAVIOR AT WORK: ORGANIZATIONAL BEHAVIOR. 6. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1993.
Lua MLA (9ú heag.)DAVIS KEITH. HUMAN BEHAVIOR AT WORK: ORGANIZATIONAL BEHAVIOR. 6. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1993.
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