Wrightsman, Lawrence S.
Brooks/Cole , 1998
Buku Teks
Brennan, James F.
Prentice-Hall, 1991
Buku Teks
Brennan, James F.
Rajawali, 2012
Buku Teks
Brennan, James F.
RajaGrafindo Persada, 2006
Buku Teks
Shneiderman, Ben
Massachusetts Winthrop Publishers, 1980
Buku Teks