edited by Daniel Ventre
Wiley , 2011
Buku Teks
Dinniss, Heather Harrison
Cambridge Univ. Press, 2014
Buku Teks
Dinniss, Heather Harrison
Cambridge University Press, 2012
Buku Teks
Syngress, 2013
eBooks
Taylor, Paul A., 1967-
Routledge, 1999
Buku Teks