Paul, J. (2010). Business environment: Text and cases (3rd ed.). Tata McGraw-Hill Publishing.
Chicago-viite (17. p.)Paul, Justin. Business Environment: Text and Cases. 3rd ed. New Delhi: Tata McGraw-Hill Publishing, 2010.
MLA-viite (8. p.)Paul, Justin. Business Environment: Text and Cases. 3rd ed. Tata McGraw-Hill Publishing, 2010.
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