Snedaker, Susan, author
Syngress, 2014
eBooks
Bowhill, Bruce, author
John Wiley & Sons, 2008
Buku Teks
Plane, David A., author
John Wiley & Sons, 1994
Buku Teks
Mason, Edward S., author
Fordham University Press, 1958
Buku Teks
Stoever, William A., author
Lexington Books, 1981
Buku Teks