American Psychological Association
Pennington, Adrian ( 2013 ). Student Guide to Counselling and Psychotherapy Approaches ( 00 ed. ). Sage.
Modern Language Association
Pennington, Adrian. Student Guide to Counselling and Psychotherapy Approaches . Sage. 2013
Chicago Citation
Pennington, Adrian. Student Guide to Counselling and Psychotherapy Approaches . 00 .London
: Sage, 2013.
American Medical Association
Pennington, Adrian. Student Guide to Counselling and Psychotherapy Approaches . Sage; 2013.