BROOKES CYRIL H P. (1982). INFORMATION SYSTEMS DESIGN. PRENTICE -HALL INTERNATIONAL, INC.
Lua i Stíl Chicago (17ú heag.)BROOKES CYRIL H P. INFORMATION SYSTEMS DESIGN. NEW DELHI: PRENTICE -HALL INTERNATIONAL, INC, 1982.
Lua MLA (9ú heag.)BROOKES CYRIL H P. INFORMATION SYSTEMS DESIGN. PRENTICE -HALL INTERNATIONAL, INC, 1982.
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