Jamie V. Trapp, Tomas Kron, editor
Taylor & Francis Group, 2008
Buku Teks
Barnum, Barbara Stevens
An Aspen, 1995
Buku Teks
Vacca, John R., editor
Syngress, 2014
eBooks
Edited by John Vacca
Syngress, 2014
Buku Teks
Jacobson, Douglas
CRC Pres, 2009
Buku Teks