BELL DAVID A. (1999). ELCTRONIC DEVICES AND CIRCUITS. PRENTICE HALL.
Lua i Stíl Chicago (17ú heag.)BELL DAVID A. ELCTRONIC DEVICES AND CIRCUITS. NEW DELHI: PRENTICE HALL, 1999.
Lua MLA (9ú heag.)BELL DAVID A. ELCTRONIC DEVICES AND CIRCUITS. PRENTICE HALL, 1999.
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