Hodges, David A., author
McGraw-Hill, 1988
Buku Teks
edited by Mohamed I. Elmasry
IEEE Press, 1981
Buku Teks
editor, Arthur B. Williams
McGraw-Hill, 1984
Buku Referensi
Rosenthal, Murray P., author
Hayden Book , 1975
Buku Teks
Runyan, W.R., author
Addison-Wesley, 1990
Buku Teks