Παραπομπή APA

Tolen,Janet. (2003). Skills in person-centred Counselling & Psychotherapy. sage.

Παραπομπή Chicago Style

Tolen,Janet. Skills in Person-centred Counselling & Psychotherapy. London: sage, 2003.

Παραπομπή MLA

Tolen,Janet. Skills in Person-centred Counselling & Psychotherapy. sage, 2003.