Style de citation APA (7e éd.)

Nikels,William G, McHugh, J. . M., & McHugh, S. . M. (2002). Understanding business (6th.ed.-.). McGraw - Hill.

Style de citation Chicago (17e éd.)

Nikels,William G, James M. McHugh, et Susan M. McHugh. Understanding Business. 6th.ed.-. New York: McGraw - Hill, 2002.

Style de citation MLA (9e éd.)

Nikels,William G, et al. Understanding Business. 6th.ed.-. McGraw - Hill, 2002.