World Health Organization & World Health Assembly. (1977). The SI for the health professions: Prepared at the request of the thirtieth World Health Assembly. World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization e World Health Assembly. The SI for the Health Professions: Prepared at the Request of the Thirtieth World Health Assembly. Geneva: World Health Organization, 1977.
Citatione MLA (8a ed.)World Health Organization e World Health Assembly. The SI for the Health Professions: Prepared at the Request of the Thirtieth World Health Assembly. World Health Organization, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.