APA aipamena

(2002). National campaign urges patients to join safety effort. BMJ Group.

Chicago Style aipamena

National Campaign Urges Patients to Join Safety Effort. BMJ Group, 2002.

MLA aipamena

National Campaign Urges Patients to Join Safety Effort. BMJ Group, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.