APA (7th ed.) Zitazioa
World Health Organization & ebrary, Inc. (2008). Policies and practices for mental health in Europe. WHO : Stylus.
Chicago Style (17th ed.) Zitazioa
World Health Organization eta Inc ebrary. Policies and Practices for Mental Health in Europe. Denmark: WHO : Stylus, 2008.
MLA (9th ed.) Zitazioa
World Health Organization eta Inc ebrary. Policies and Practices for Mental Health in Europe. WHO : Stylus, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.