Artikel Jurnal
Epstein, Benjamin, author
CRC Press (Taylor & Francis Group), 2008
Buku Teks
Nur Chasanah, author
Fakultas Ilmu Komputer Universitas Indonesia, 2014
UI - Tesis (Membership)
Jackson, Michael C., author
Plenum Press, 1991
Buku Teks
Livingston, John Leslie, author
McGraw-Hill, 1970
Buku Teks