Cornwell, T. B. (1993). Global exchanges: The Washington Post international marketing companion. Allyn and Bacon.
Lua i Stíl Chicago (17ú heag.)Cornwell, T. Bettina. Global Exchanges: The Washington Post International Marketing Companion. Boston: Allyn and Bacon, 1993.
Lua MLA (8ú heag.)Cornwell, T. Bettina. Global Exchanges: The Washington Post International Marketing Companion. Allyn and Bacon, 1993.
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