APA aipamena

O’ HARA, D. Hope in counselling and psychotherapy. Sage Publications.

Chicago Style aipamena

O’ HARA, Denis. Hope in Counselling and Psychotherapy. Sage Publications.

MLA aipamena

O’ HARA, Denis. Hope in Counselling and Psychotherapy. Sage Publications.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.