Morris, Arthur E.
John Wiley & Sons, 2011
Buku Referensi
Trietley, Harry. L.
Marcel Dekker, 1986
Buku Teks
editor, Andrea Deplazes
Birkauser, 2005
Buku Referensi
Mandl, Matthew, author
Prentice-Hall, 1967
Buku Teks
Bhushan, Bharat, author
McGraw-Hill, 1991
Buku Teks