APA-referens (7:e uppl.)

Worthington, I., & Britton, C. (2009). The business environment (6th ed.). FT Prentice Hall.

Chicago-referens (17:e uppl.)

Worthington, Ian, och Chris Britton. The Business Environment. 6th ed. Harlow, England ; New York: FT Prentice Hall, 2009.

MLA-referens (8:e uppl.)

Worthington, Ian, och Chris Britton. The Business Environment. 6th ed. FT Prentice Hall, 2009.