Worthington, I., & Britton, C. (2009). The business environment (6th ed.). FT Prentice Hall.
Čikaški stil citiranja (17. izdanje)Worthington, Ian, i Chris Britton. The Business Environment. 6th ed. Harlow, England ; New York: FT Prentice Hall, 2009.
MLA način citiranja (8. izdanje)Worthington, Ian, i Chris Britton. The Business Environment. 6th ed. FT Prentice Hall, 2009.
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