Light, W.A.
Chapman & Hall, 1990
Buku Teks
Ernest F. Brater, Horace Williams King; editor, James E. Lindell; coeditor, C.Y. Wei
McGraw-Hill, 1996
Buku Referensi
Aubin, Jean-Pierre, author
John Wiley & Sons, 1977
Buku Teks
Azhar Kurnia, author
Fakultas Ilmu Komputer Universitas Indonesia, 2020
UI - Skripsi (Membership)
Hornung, William J.
Prentice-Hall, 1981
Buku Teks