Daniels, J. D. (2007). International business environments and operations John D. Daniels, Lee H. Radebaugh and Daniel P. Sullivan. Pearson.
Čikaški stil citiranja (17. izdanje)Daniels, John D. International Business Environments and Operations John D. Daniels, Lee H. Radebaugh and Daniel P. Sullivan. Pearson, 2007.
MLA način citiranja (8. izdanje)Daniels, John D. International Business Environments and Operations John D. Daniels, Lee H. Radebaugh and Daniel P. Sullivan. Pearson, 2007.
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