Fletcher, Peter, author
PWS-Kent, 1990
Buku Teks
Albertson, Michael O., author
John Wiley & Sons, 1988
Buku Teks
Haggarty, Rod, author
Addison-Wesley, 2002
Buku Teks
Rosen, Kenneth H., author
McGraw-Hill, 1995
Buku Teks
Johnsonbaugh, Richard
Prenhallindo, 1998
Buku Teks