APA (7th ed.) Zitazioa
HAMILTON, M. RESEARCHING HARM REDUCTION - CARE AND CONTRADICTIONS.
Chicago Style (17th ed.) Zitazioa
HAMILTON, M. RESEARCHING HARM REDUCTION - CARE AND CONTRADICTIONS.
MLA (9th ed.) Zitazioa
HAMILTON, M. RESEARCHING HARM REDUCTION - CARE AND CONTRADICTIONS.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.