Steiner, George Albert, 1912-
Random House, 1980
Buku Teks
Ryan, Neal
QUT, 2003
Multimedia
Steiner, George Albert, 1912-
McGraw-Hill Irwin, 2003
Buku Teks
Maidment, Frederick
Prentice-Hall, 1999
Buku Teks
Maidment, Frederick
Prentice-Hall, 2000
Buku Teks