Nickels, W. G., McHugh, J. M., & McHugh, S. M. (1993). Understanding business (3rd edition.). Irwin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNickels, William G., James M. McHugh, और Susan M. McHugh. Understanding Business. 3rd edition. Homewood, IL: Irwin, 1993.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNickels, William G., et al. Understanding Business. 3rd edition. Irwin, 1993.
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