Wrightsman, Lawrence S., author
Brooks/Cole, 1991
Buku Teks
Wrightsman, Lawrence S., author
Brooks/Cole , 1998
Buku Teks
Brennan, James F., author
Prentice-Hall, 1991
Buku Teks
Brennan, James F., author
Rajawali, 2012
Buku Teks
Brennan, James F., author
RajaGrafindo Persada, 2006
Buku Teks