AWAD, E. M. Automatic Data Prosessing Principles And Procedures Elias M Awad. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)AWAD, Elias M. Automatic Data Prosessing Principles And Procedures Elias M Awad. Prentice-Hall.
Lua MLA (8ú heag.)AWAD, Elias M. Automatic Data Prosessing Principles And Procedures Elias M Awad. Prentice-Hall.
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