FLETCHER WILLIAM I. (2003). ENGINEERING APPROACH TO DIGITAL DESIGN. PRENTICE HALL OF INDIA.
Lua i Stíl Chicago (17ú heag.)FLETCHER WILLIAM I. ENGINEERING APPROACH TO DIGITAL DESIGN. NEW DELHI: PRENTICE HALL OF INDIA, 2003.
Lua MLA (9ú heag.)FLETCHER WILLIAM I. ENGINEERING APPROACH TO DIGITAL DESIGN. PRENTICE HALL OF INDIA, 2003.
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