Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

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