Ball, D. A. (2002). International business: The challenge of global competition (8th ed.). McGraw-Hill/Irwin.
Čikaški stil citiranja (17. izdanje)Ball, Donald A. International Business: The Challenge of Global Competition. 8th ed. Boston: McGraw-Hill/Irwin, 2002.
MLA način citiranja (9. izdanje)Ball, Donald A. International Business: The Challenge of Global Competition. 8th ed. McGraw-Hill/Irwin, 2002.
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