APA aipamena

OMS. (1993). WHO drug information; Vol.7(N.3)/1993. Geneva: OMS.

Chicago Style aipamena

OMS. WHO Drug Information; Vol.7(N.3)/1993. Geneva: OMS, 1993.

MLA aipamena

OMS. WHO Drug Information; Vol.7(N.3)/1993. Geneva: OMS, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.