Horn, Delton T.
Elex Media komputindo, 1989
Buku Teks SO
Marston, R.M.
Heinemann Newnes, 1989
Buku Referensi
Fakultas Teknik Universitas Indonesia, 1998
UI - Skripsi Membership
edited by Robert L. Morris and John R. Miller; contributor, W.D. Anderson
McGraw-Hill Kogakusha, 1971
Buku Teks
Larsen, David G.
Binatronika, [198?]
Buku Teks SO