John, D. D., & Lee, R. (2018). International Business: Environments and Operations (16th ed.). Pearson.
Lua i Stíl Chicago (17ú heag.)John, Daniels D., agus Radebaugh Lee. International Business: Environments and Operations. 16th ed. Noida: Pearson, 2018.
Lua MLA (9ú heag.)John, Daniels D., agus Radebaugh Lee. International Business: Environments and Operations. 16th ed. Pearson, 2018.
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