Citazione Stile APA (7a Edizione)

Worthington & Britton Christ. (2003). The Business Environment (4th ed.). Pearson Education Limited.

Citazione stile Chigago Style (17a edizione)

Worthington e Britton Christ. The Business Environment. 4th ed. United Kingdom: Pearson Education Limited, 2003.

Citatione MLA (9a ed.)

Worthington e Britton Christ. The Business Environment. 4th ed. Pearson Education Limited, 2003.