World Health Organization. (2000). Foodborne disease: A focus for health education. World Health Organization.
Chicago Style aipamenaWorld Health Organization. Foodborne Disease: A Focus for Health Education. Geneva: World Health Organization, 2000.
MLA aipamenaWorld Health Organization. Foodborne Disease: A Focus for Health Education. World Health Organization, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.