Citazione Stile APA (7a Edizione)

Palmer, A., & Bartley, B. (2009). The business environment (6th ed.). McGraw-Hill Higher Education.

Citazione stile Chigago Style (17a edizione)

Palmer, Adrian, e Bob Bartley. The Business Environment. 6th ed. New York: McGraw-Hill Higher Education, 2009.

Citatione MLA (9a ed.)

Palmer, Adrian, e Bob Bartley. The Business Environment. 6th ed. McGraw-Hill Higher Education, 2009.