Griffin, R. W., & Pustay, M. W. (2005). International business: A managerial perspective (r4th ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Griffin, Ricky W., agus Michael W. Pustay. International Business: A Managerial Perspective. r4th ed. Upper Saddle River, NJ: Prentice Hall, 2005.
Lua MLA (8ú heag.)Griffin, Ricky W., agus Michael W. Pustay. International Business: A Managerial Perspective. r4th ed. Prentice Hall, 2005.
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