SENN JAMES A. (1989). ANALYSIS AND DESIGN OF INFORMATION SYSTEMS 2ND ED (2ND ED.). MC GRAW HILL PUBLISHING COMPANY.
Lua i Stíl Chicago (17ú heag.)SENN JAMES A. ANALYSIS AND DESIGN OF INFORMATION SYSTEMS 2ND ED. 2ND ED. MC GRAW HILL PUBLISHING COMPANY, 1989.
Lua MLA (9ú heag.)SENN JAMES A. ANALYSIS AND DESIGN OF INFORMATION SYSTEMS 2ND ED. 2ND ED. MC GRAW HILL PUBLISHING COMPANY, 1989.
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