Cita APA (7th ed.)

Nickels, W. G., McHugh, J. M., & McHugh, S. M. (2019). Understanding business (Twelfth edition.). McGraw-Hill Education.

Cita Chicago (17th ed.)

Nickels, William G., James M. McHugh, i Susan M. McHugh. Understanding Business. Twelfth edition. New York, NY: McGraw-Hill Education, 2019.

Cita MLA (8th ed.)

Nickels, William G., et al. Understanding Business. Twelfth edition. McGraw-Hill Education, 2019.