Citazione Stile APA (7a Edizione)

Nickels, W. G., McHugh, J. M., & McHugh, S. M. (2005). Understanding Buisness (7th ed.). McGraw Hill.

Citazione stile Chigago Style (17a edizione)

Nickels, William G., James M. McHugh, e Susan M. McHugh. Understanding Buisness. 7th ed. India: McGraw Hill, 2005.

Citatione MLA (9a ed.)

Nickels, William G., et al. Understanding Buisness. 7th ed. McGraw Hill, 2005.