Czinkota, M. R., & Ronkainen, I. A. (2007). International marketing/8e (8th ed.). Thomson south western.
Chicago Style aipamenaCzinkota, Michael R., and Ilkka A. Ronkainen. International Marketing/8e. 8th ed. Australia: Thomson south western, 2007.
MLA aipamenaCzinkota, Michael R., and Ilkka A. Ronkainen. International Marketing/8e. 8th ed. Thomson south western, 2007.
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