APA aipamena

WHO. International digest of health legislation: Vol.41(4)/1990. Geneva: WHO.

Chicago Style aipamena

WHO. International Digest of Health Legislation: Vol.41(4)/1990. Geneva: WHO.

MLA aipamena

WHO. International Digest of Health Legislation: Vol.41(4)/1990. Geneva: WHO.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.