Nickels, W. G., McHugh, J. M., & McHugh, S. M. (2012). Business: Connecting principles to practice. McGraw-Hill/Irwin.
Lua i Stíl Chicago (17ú heag.)Nickels, William G., James M. McHugh, agus Susan M. McHugh. Business: Connecting Principles to Practice. New York: McGraw-Hill/Irwin, 2012.
Lua MLA (9ú heag.)Nickels, William G., et al. Business: Connecting Principles to Practice. McGraw-Hill/Irwin, 2012.
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