O Brien, J. A., & Marakas, G. M. (2006). Management information systems (7th ed.). McGraw - Hill.
Lua i Stíl Chicago (17ú heag.)O Brien, James A., agus George M. Marakas. Management Information Systems. 7th ed. Boston: McGraw - Hill, 2006.
Lua MLA (9ú heag.)O Brien, James A., agus George M. Marakas. Management Information Systems. 7th ed. McGraw - Hill, 2006.
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