Czinkota, M. R., & Ronkainen, I. A. (2007). International marketing/8e (8th ed.). Thomson south western.
Dyfyniad Arddull ChicagoCzinkota, Michael R., and Ilkka A. Ronkainen. International Marketing/8e. 8th ed. Australia: Thomson south western, 2007.
Dyfyniad MLACzinkota, Michael R., and Ilkka A. Ronkainen. International Marketing/8e. 8th ed. Thomson south western, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.