MALRINO,LEACH. (1991). DIGITAL PRINCIPLES & APPLICATION. TATA MC GRAW HILL.
Lua i Stíl Chicago (17ú heag.)MALRINO,LEACH. DIGITAL PRINCIPLES & APPLICATION. TATA MC GRAW HILL, 1991.
Lua MLA (9ú heag.)MALRINO,LEACH. DIGITAL PRINCIPLES & APPLICATION. TATA MC GRAW HILL, 1991.
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