HILL, C. W. L. (2003). International business: Competing in the global marketplace. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)HILL, Charles W. L. International Business: Competing in the Global Marketplace. McGraw-Hill, 2003.
Lua MLA (9ú heag.)HILL, Charles W. L. International Business: Competing in the Global Marketplace. McGraw-Hill, 2003.
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