O'BRIEN, J. A. (1996). Management Informations Systems Managing Information Technology In The Networked Enterprise James A. O'brien. Irwin.
Lua i Stíl Chicago (17ú heag.)O'BRIEN, James A. Management Informations Systems Managing Information Technology In The Networked Enterprise James A. O'brien. Irwin, 1996.
Lua MLA (8ú heag.)O'BRIEN, James A. Management Informations Systems Managing Information Technology In The Networked Enterprise James A. O'brien. Irwin, 1996.
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