1.Charles K. Alexander and Matthew N. O. Sadiku. Fundamentals of Electric Circuits (Fourth Edition), McGraw-Hill (Asia), 2011, ISBN: 9787030320124.

2.James W. Nilsson and Susan A. R iedel. Electric Circuits (Ninth Edition), Prentice Hall, 2011, ISBN:9787121157349.

3.Thomas L, Floyd.Digital Fundamentals(Tenth Edition), Pearson, 2011

4.Robert L, Boylestad,Electronic Devices and Circuit Theory(Ninth Edition)