Jones, William B.
Prentice-Hall, 1982
Buku Teks SO
McCracken, Daniel D.
John Wiley & Sons, 1974
Buku Referensi
Chivers, Ian
Springer International Publishing, 2015
eBooks
Keller, Arthur M.
McGraw-Hill, 1982
Buku Teks SO
Miller, Lawrence H.
Addison-Wesley, 1986
Buku Teks SO