Corsini, Raymond J., author
Brunner-Routledge, 2002
Buku Teks
Corsini, Raymond J., author
Brunner-Routledge, 2002
Buku Referensi
Chaplin, J. P., author
RajaGrafindo Persada, 2006
Buku Referensi
Santrock, John W.
McGraw-Hill, 2003
Multimedia
Baron, Robert A., author
Simon & Schuster, 1992
Buku Teks