Strauss, Manty J., author
Prentica-Hall, 2002
Buku Teks
Russell, Roberta S.
Prentice-Hall, 2000
Multimedia
Russell, Roberta S.
Prentice-Hall, 2000
Multimedia
Sommerville, Ian, author
Addison-Wesley, 1982
Buku Teks
Spiegel, Murray R., author
McGraw-Hill, 1988
Buku Teks