Hindle, Brian Paul
B.T. Batsford Ltd, 1993
Buku Teks
Ignizio, James P., author
Prentice-Hall, 1991
Buku Teks
edited by Daniel A. DeSalvo and Jay Liebowitz
Prentice-Hall, 1990
Buku Teks
Luger, George F., author
The Benjamin/Cummings , 1989
Buku Teks
Marcellus, Daniel H., author
Prentice-Hall, 1989
Buku Teks