Citazione Stile APA (7a Edizione)

Nickels, W. G., McHugh, J. M., & McHugh, S. M. (2008). Understanding business (8th ed.). McGraw-Hill Irwin.

Citazione stile Chigago Style (17a edizione)

Nickels, William G., James M. McHugh, e Susan M. McHugh. Understanding Business. 8th ed. Boston: McGraw-Hill Irwin, 2008.

Citatione MLA (8a ed.)

Nickels, William G., et al. Understanding Business. 8th ed. McGraw-Hill Irwin, 2008.