.Donnelly, J. H., Gibson, J. L., & Ivancevich, J. M. (1990). Fundamentals of Management (7 Ed.). BP Irwin.
Lua i Stíl Chicago (17ú heag.).Donnelly, James H., James L. Gibson, agus John M. Ivancevich. Fundamentals of Management. 7 Ed. Homewood: BP Irwin, 1990.
Lua MLA (9ú heag.).Donnelly, James H., et al. Fundamentals of Management. 7 Ed. BP Irwin, 1990.
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