Stevens, M. (2000). Practical problem solving for managers. Universal Book Stall.
Čikaški stil citiranja (17. izdanje)Stevens, Michael. Practical Problem Solving for Managers. New Delhi: Universal Book Stall, 2000.
MLA način citiranja (9. izdanje)Stevens, Michael. Practical Problem Solving for Managers. Universal Book Stall, 2000.
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