Schubert, Werner, author
Siemens-Aktiengesellschaft, 1982
Buku Teks
Weedy, B.M., author
John Wiley & Sons, 1980
Buku Teks
Leach, Julian Gilbert, author
McGraw-Hill, 1940
Buku Teks
Bloor, Michael, author
Sage, 1995
Buku Teks
Pratt A.W.
John Wiley & Sons, 1981
Buku Teks