McNamara, Robert Hartmann
McGraw-Hill, 2009
Buku Teks
Bryson, Bethany
Stanford University Press, 2005
Buku Teks
Pyle, Ransford Comstock
Delmar, Cengage Learning, 2011
Multimedia
Rezaee, abihollah
John Wiley & Sons, 2009
Buku Teks
Roberts, Robert North
Greenwood Press, 2001
Buku Teks