Nickels, W. G., McHugh, J. M., & McHugh, S. M. (2002). Understanding business (6th ed.). Boston, Mass.: McGraw-Hill.
استشهاد بنمط شيكاغوNickels, William G., James M. McHugh, و Susan M. McHugh. Understanding Business. 6th ed. Boston, Mass.: McGraw-Hill, 2002.
MLA استشهادNickels, William G., James M. McHugh, و Susan M. McHugh. Understanding Business. 6th ed. Boston, Mass.: McGraw-Hill, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.