Nickels, W. G., McHugh, J. M., & McHugh, S. M. (2010). Understanding business (9th edition.). McGraw-Hill Irwin.
芝加哥风格引文Nickels, William G., James M. McHugh, 与 Susan M. McHugh. Understanding Business. 9th edition. New York, NY: McGraw-Hill Irwin, 2010.
MLA引文Nickels, William G., et al. Understanding Business. 9th edition. McGraw-Hill Irwin, 2010.
警告：这些引文格式不一定是100％准确.