APA aipamena

Nickels, W. G., McHugh, J. M., & McHugh, S. M. (2002). Understanding business (6th ed.). Boston, Mass.: McGraw-Hill.

Chicago Style aipamena

Nickels, William G., James M. McHugh, và Susan M. McHugh. Understanding Business. 6th ed. Boston, Mass.: McGraw-Hill, 2002.

MLA aipamena

Nickels, William G., James M. McHugh, và Susan M. McHugh. Understanding Business. 6th ed. Boston, Mass.: McGraw-Hill, 2002.