Παραπομπή APA

Colin Feltham. (2010). Critical thinking in counselling and psychotherapy. Sage.

Παραπομπή Chicago Style

Colin Feltham. Critical Thinking in Counselling and Psychotherapy. London: Sage, 2010.

Παραπομπή MLA

Colin Feltham. Critical Thinking in Counselling and Psychotherapy. Sage, 2010.