Jenkins, W.M., author
McGraw-Hill, 1969
Buku Teks
Fry, T. F., author
Butterworth, 1981
Buku Teks
Bartee, Thomas C., author
McGraw-Hill, 1983
Buku Teks
Bartee, Thomas C., author
McGraw-Hill, 1985
Buku Teks
Nashelsky, Louis, author
John Wiley & Sons, 1977
Buku Teks