Guile, A.E., author
Pergamon Press, 1986
Buku Teks
Guile, A.E., author
Pergamon Press, 1982
Buku Teks
Wildi, Theodore, author
Prentice-Hall, 1997
Buku Teks
Rao, T.S. Madhava, author
Khanna, 1974
Buku Teks
edited by the Electricity Training Association
The Institution of Electrical Engineers, 1995
Buku Teks