APA-viite (7. p.)

Nickels, W. G., McHugh, J. M., & McHugh, S. M. (2016). Understanding business (Eleventh edition.). McGraw-Hill Education.

Chicago-viite (17. p.)

Nickels, William G., James M. McHugh, ja Susan M. McHugh. Understanding Business. Eleventh edition. New York, NY: McGraw-Hill Education, 2016.

MLA-viite (8. p.)

Nickels, William G., et al. Understanding Business. Eleventh edition. McGraw-Hill Education, 2016.