Nickels, W. G., McHugh, J. M., & McHugh, S. M. (1996). Understanding business (4th ed.). Irwin.
Style de citation Chicago (17e éd.)Nickels, William G., James M. McHugh, et Susan M. McHugh. Understanding Business. 4th ed. Chicago: Irwin, 1996.
Style de citation MLA (9e éd.)Nickels, William G., et al. Understanding Business. 4th ed. Irwin, 1996.