Wright, Peter, author
Allyn and Bacon, 1992
Buku Teks
Peterson, Rein
John Wiley & Sons, 1979
Buku Teks
Peterson, Rein
John Wiley & Sons, 1979
Buku Teks
Schroeder, Roger G.
McGraw-Hill/Irwin, 2000
Multimedia
Thompson, Arthur A., 1940-, author
Irwin, 1996
Buku Teks