Cita APA (7th ed.)
Wilkins, P. (2003). Person-centred therapy in focus. SAGE.
Cita Chicago (17th ed.)
Wilkins, Paul. Person-centred Therapy in Focus. London ; Thousand Oaks, Calif.: SAGE, 2003.
Cita MLA (9th ed.)
Wilkins, Paul. Person-centred Therapy in Focus. SAGE, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.