LUCAS, H. C. (1976). The Analysis, Design And Implementation Of Information System. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)LUCAS, Henry C. The Analysis, Design And Implementation Of Information System. McGraw-Hill, 1976.
Lua MLA (8ú heag.)LUCAS, Henry C. The Analysis, Design And Implementation Of Information System. McGraw-Hill, 1976.
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