Hughes, Fredrick W.
Prentice-Hall, 1981
Buku Referensi
Eddy Murfi Balaka
Fakultas Teknik Universitas Indonesia, 1996
UI - Skripsi Membership
Jacob, J. Michael
Reston Publishing, 1982
Buku Teks SO
edited by Robert G. Meyer
IEEE Press, 1978
Buku Teks SO
Rutkowski, George B.
Prentice-Hall, 1984
Buku Teks