Corsini, Raymond J.
Brunner-Routledge, 2002
Buku Teks
Corsini, Raymond J.
Brunner-Routledge, 2002
Buku Referensi
Statt, David A.
Routledge, 1998
Buku Referensi
editor, Rom Harre, Roger Lamb
Blackwell Reference, 1983
Buku Referensi
edited by Philip Winn
Routledge, 2001
Buku Referensi