Wilkins, P. (1997). Personal and professional development for counsellors. Sage.
Chicago-referens (17:e uppl.)Wilkins, Paul. Personal and Professional Development for Counsellors. London: Sage, 1997.
MLA-referens (9:e uppl.)Wilkins, Paul. Personal and Professional Development for Counsellors. Sage, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.