Loveday, George, author
Elex Media Komputindo, 1988
Buku Teks
Lurch, E. Norman, author
John Wiley & Sons, 1971
Buku Teks
Ryder, John D.
McGraw-Hill, [date of publication not identified]
Buku Teks
The Institute of Electrical and Electronics Engineers, 2008
Majalah, Jurnal, Buletin
Anderson, Edwin P., author
D.B. Taraporevala Sons, 1965
Buku Referensi