APA (7th ed.) Zitazioa

Wilkins, P. (2003). Person-centred therapy in focus. SAGE.

Chicago Style (17th ed.) Zitazioa

Wilkins, Paul. Person-centred Therapy in Focus. London ; Thousand Oaks, Calif.: SAGE, 2003.

MLA (9th ed.) Zitazioa

Wilkins, Paul. Person-centred Therapy in Focus. SAGE, 2003.