Keegan, W. J. (2002). Global marketing management (7th ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Keegan, Warren J. Global Marketing Management. 7th ed. Upper Saddle River, N.J. ; New Delhi: Prentice Hall, 2002.
Lua MLA (8ú heag.)Keegan, Warren J. Global Marketing Management. 7th ed. Prentice Hall, 2002.
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