WOELFEL, C. J. Budgeting Pricing & Cost Controls A Desktop Encyclopedia Charles J. Woelfel. Probus, Publishing.
Čikaški stil citiranja (17. izdanje)WOELFEL, Charles J. Budgeting Pricing & Cost Controls A Desktop Encyclopedia Charles J. Woelfel. Probus, Publishing.
MLA način citiranja (8. izdanje)WOELFEL, Charles J. Budgeting Pricing & Cost Controls A Desktop Encyclopedia Charles J. Woelfel. Probus, Publishing.
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