APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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