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.
Cita Chicago (17th ed.)World Health Organization i World Health Assembly. The SI for the Health Professions: Prepared at the Request of the Thirtieth World Health Assembly. Geneva: World Health Organization, 1977.
Cita MLA (8th ed.)World Health Organization i World Health Assembly. The SI for the Health Professions: Prepared at the Request of the Thirtieth World Health Assembly. World Health Organization, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.