Olsen, Gary, author
Ohio North Light Books , 1997
Buku Teks
Indra Syafruddin, author
Fakultas Teknik Universitas Indonesia, 2005
UI - Skripsi (Membership)
Cawkell, Tony, author
Routledge, 1996
Buku Referensi
Dowling, Jennifer Coleman, author
McGraw-Hill, 2012
Buku Teks
edited by Henk M. Blanken ... [and others]
Springer, 2007
Buku Teks