Nickels, W. G., McHugh, J. M., & McHugh, S. M. (1993). Understanding business (3rd edition.). Irwin.
芝加哥风格引文Nickels, William G., James M. McHugh, 与 Susan M. McHugh. Understanding Business. 3rd edition. Homewood, IL: Irwin, 1993.
MLA引文Nickels, William G., et al. Understanding Business. 3rd edition. Irwin, 1993.
警告：这些引文格式不一定是100％准确.