APA-referens (7:e uppl.)

Paul, J. (2010). Business environment: Text and cases (3rd ed.). Tata McGraw-Hill Publishing.

Chicago-referens (17:e uppl.)

Paul, Justin. Business Environment: Text and Cases. 3rd ed. New Delhi: Tata McGraw-Hill Publishing, 2010.

MLA-referens (8:e uppl.)

Paul, Justin. Business Environment: Text and Cases. 3rd ed. Tata McGraw-Hill Publishing, 2010.