Certo, S. C. (2006). Modern management. Upper Saddle River, NJ: Pearson/Prentice Hall.
Chicago Style aipamenaCerto, Samuel C. Modern Management. Upper Saddle River, NJ: Pearson/Prentice Hall, 2006.
MLA aipamenaCerto, Samuel C. Modern Management. Upper Saddle River, NJ: Pearson/Prentice Hall, 2006.
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