Wetherly, P., & Otter, D. (2008). The business environment: Themes and issues (2nd ed.). Oxford University Press.
Chicago Style (17. basım) AtıfWetherly, Paul, ve Dorron Otter. The Business Environment: Themes and Issues. 2nd ed. Oxford ; New Delhi: Oxford University Press, 2008.
MLA (8th ed.) AtıfWetherly, Paul, ve Dorron Otter. The Business Environment: Themes and Issues. 2nd ed. Oxford University Press, 2008.
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