Groover, Mikell P., author
John Wiley & Sons, 2011
Buku Teks
Groover, Mikell P., author
Prentice-Hall, 1996
Buku Teks
Ostwald, Phillip F., 1931-, author
John Wiley & Sons, 1997
Buku Teks
DeGarmo, E. Paul, author
Macmillan Publishing Co., 1979
Buku Teks
DeGaremo, E. Paul
Collier-Macmillan Limited, 1969
Buku Teks