Style de citation APA (7e éd.)

World Health Organization. (1990). Facts about WHO. World Health Organization.

Style de citation Chicago (17e éd.)

World Health Organization. Facts About WHO. Switzerland: World Health Organization, 1990.

Style de citation MLA (9e éd.)

World Health Organization. Facts About WHO. World Health Organization, 1990.

Attention : ces citations peuvent ne pas être correctes à 100%.