Cateora, P. R., & Graham, J. L. (2002). International marketing (11th ed.). Irwin McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Cateora, Philip R., agus John L. Graham. International Marketing. 11th ed. New York: Irwin McGraw-Hill, 2002.
Lua MLA (8ú heag.)Cateora, Philip R., agus John L. Graham. International Marketing. 11th ed. Irwin McGraw-Hill, 2002.
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