OMS. (1992). The work of WHO 1990 - 1991: Biennial report of the director-General. Geneva.
Chicago-stil citatOMS. The Work of WHO 1990 - 1991: Biennial Report of the Director-General. Geneva, 1992.
MLA-referensOMS. The Work of WHO 1990 - 1991: Biennial Report of the Director-General. Geneva, 1992.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.