APA-čujuhus (7. p.)
DuBrin, A. J. (1986). Essentials of management. South-Western.
Chicago-čujuhus (17. p.)
DuBrin, Andrew J. Essentials of Management. Cinncinati: South-Western, 1986.
MLA-čujuhus (9. p.)
DuBrin, Andrew J. Essentials of Management. South-Western, 1986.
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