Dyfyniad APA
Nickels, W. G., McHugh, J. M., & McHugh, S. M. (2002). Understanding business (6th ed.). McGraw-Hill.
Dyfyniad Arddull Chicago
Nickels, William G., James M. McHugh, and Susan M. McHugh. Understanding Business. 6th ed. Boston, Mass.: McGraw-Hill, 2002.
Dyfyniad MLA
Nickels, William G., et al. Understanding Business. 6th ed. McGraw-Hill, 2002.
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