Fletchers, Robert H.
Williams and Wilkins, 1984
Buku Teks
Schneiderman, Lawrence J., author
Addison-Wesley, 1981
Buku Teks
Labarthe, Darwin R., author
Jones & Bartlett Publishers, 2008
Buku Teks
Trostle, James A, author
Cambridge University Press, 2005
Buku Teks
Bernheim, Ruth Gaare, author
JonesBartlett Learning, 2015
Buku Teks