Daniels, J. D. (2010). International business: Environments and operations (12th ed.). Pearson/Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Daniels, John D. International Business: Environments and Operations. 12th ed. Upper Saddle River, N.J. ; Delhi: Pearson/Prentice Hall, 2010.
Lua MLA (8ú heag.)Daniels, John D. International Business: Environments and Operations. 12th ed. Pearson/Prentice Hall, 2010.
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