APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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