Edited by Raymond F. Paloutzian, Crystal L. Park
The Guilford Press, 2015
Buku Teks SO
editor by Raymond F. Paloution
The guilford press, , 2005
Buku Teks SO
Giordan, Giuseppe
Springer, 2011
eBooks
Heelas, Paul
Blackwell, 2005
Buku Teks SO
Cox, Harvey G.
I.B. Tauris , 2009
Buku Teks SO