Dyfyniad APA
Cateora, P. R. (1996). International marketing (9th.ed.). McGraw-Hill.
Dyfyniad Arddull Chicago
Cateora, Philip R. International Marketing. 9th.ed. Boston: McGraw-Hill, 1996.
Dyfyniad MLA
Cateora, Philip R. International Marketing. 9th.ed. McGraw-Hill, 1996.
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