Penelis, George G.
E & FN Spon, 1997
Buku Teks
Setareh, Mehdi
Pearson Prentice Hall, 2007
Buku Teks
Pearson Education, Prentice Hall, 2007
Multimedia
Setareh, Mehdi
Pearson/Prentice Hall, 2007
Multimedia
Somerville, George
Taylor and Francis, 2008
Buku Teks