Lee, William C.Y.
John Wiley & Sons, 1993
Buku Teks SO
Stallings, William
Howard W. Sams & Company, 1989
Buku Referensi
Marvin K. Simon, Jim K. Omura, Robert A. Scholtz, Barry K. Levitt
McGraw-Hill, 1994
Buku Referensi
Buchanan, Bill
Kluwer Academic Publishers, 1999
Buku Referensi
Vaughan, Rodney
Institution of Engineering and Technology, 2006
eBooks