Hughes, Edward
Hughes : electrical technology
Longman, 1995
 Buku Teks
Hughes, Edward
Hughes electrical technology
Longman, 1991
 Buku Teks
Hughes, Edward
Hughes electrical and electronic technology
Pearson Education, 2002
 Buku Teks
Lewis, Maurice
Electrical installation technology 2
Stanley Thornes Publishers, 1993
 Buku Teks
Bird, J.O.
Electrical principles and technology for engineering
Newnes, 1995
 Buku Teks