Kruglinski, David, author
McGraw-Hill, 1983
Buku Teks
Fleckenstein, Mike, author
Springer, 2016
Buku Teks
Perron, Robert, author
Information Sciences Inc., 1981
Buku Teks
Hadi Kusalamwardi, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 1985
UI - Skripsi (Membership)
Connolly, Thomas M., author
Addison-Wesley , 2005
Buku Teks