Rorabaugh, C. Britton
McGraw-Hill, 1992
Buku Teks
Texas Instruments incorporated
Tokyo: McGraw-Hill Kogakusha, 1963
Buku Teks
Jaeger, Richard C.
McGraw-Hill , 2004
Multimedia
McCarthy, Oliver J.
John Wiley & Sons, 1982
Buku Teks
Hayt, William H.
Houghton Mifflin , 1984
Buku Teks