OMS. (1992). Informations pharmaceutiques. Geneva: Organization Mondiale De La Sante.
Chicago Style aipamenaOMS. Informations Pharmaceutiques. Geneva: Organization Mondiale De La Sante, 1992.
MLA aipamenaOMS. Informations Pharmaceutiques. Geneva: Organization Mondiale De La Sante, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.