Cita APA

William O'Donohue & Kyle Ferguson. (2003). Handbook of professional ethics for psychologist. Sage.

Chicago Edition Citation

William O'Donohue i Kyle Ferguson. Handbook of Professional Ethics for Psychologist. New Delhi: Sage, 2003.

Cita MLA

William O'Donohue i Kyle Ferguson. Handbook of Professional Ethics for Psychologist. Sage, 2003.