एपीए उद्धरण

OMS. (1992). The work of WHO 1990 - 1991: Biennial report of the director-General. Geneva.

शिकागो स्टाइल उद्धरण

OMS. The Work of WHO 1990 - 1991: Biennial Report of the Director-General. Geneva, 1992.

एमएलए उद्धरण

OMS. The Work of WHO 1990 - 1991: Biennial Report of the Director-General. Geneva, 1992.