Haag, S. (2007). Management information systemsfor the information age [ada CD]Stephen Haag. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Haag, Stephen. Management Information Systemsfor the Information Age [ada CD]Stephen Haag. McGraw-Hill, 2007.
Lua MLA (8ú heag.)Haag, Stephen. Management Information Systemsfor the Information Age [ada CD]Stephen Haag. McGraw-Hill, 2007.
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