Andrews, jean, author
Course technology cengage learning, 2013
Buku Teks
Lammle, Todd, author
Wiley , 2011
Buku Teks
Goswami, Indranil, 1965-, author
McGraw-Hill, 2012
Buku Teks
Tiso, John, author
Cisco Press, 2014
Buku Teks
McGraw-Hill , 1998
Buku Teks