Thompson, S.
Longman Scientific and Technical, 1989
Buku Teks SO
Addison-Wesley Publishing , 1987
Buku Teks SO
Nise, Norman S.
John Wiley & Son, 2004
Multimedia
Vollmann, Thomas E.
Richard D. Irwin, 1984
Buku Teks SO
Garnell, P.
Pergamon Press, 1980
Buku Referensi