Gaya APA

Organization, W, H. (1990). The Work of WHO 1988/89 : Biennial Report of the Director-GEneral to the World Health Assembly and to the United Nations . Geneva: World Health Organization.

Gaya MLA

Organization, World, Health. "The Work of WHO 1988/89 : Biennial Report of the Director-GEneral to the World Health Assembly and to the United Nations". Geneva: World Health Organization, 1990. print.