Maynard, Jeff, author
Butterworth, 1983
Buku Teks
Grogono, Peter, author
PBI, 1983
Buku Teks
Fendy Gunawan, author
Fakultas Teknik Universitas Indonesia, 2013
UI - Skripsi (Membership)
Holland, R.C., author
Elex Media Komputindo, 1993
Buku Referensi
Erich Unarto, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1983
UI - Skripsi (Membership)