Citazione Stile APA (7a Edizione)

Nickels, W. G., McHugh, S. M., & McHugh, J. M. (2006). Understanding business (7th.ed.). Mc Graw-Hill..

Citazione stile Chigago Style (17a edizione)

Nickels, William G., Susan M. McHugh, e James M. McHugh. Understanding Business. 7th.ed. Boston: Mc Graw-Hill., 2006.

Citatione MLA (9a ed.)

Nickels, William G., et al. Understanding Business. 7th.ed. Mc Graw-Hill., 2006.