World Health Organization. (1999). Reduction of maternal mortality. World Health Organization.
Style de citation Chicago (17e éd.)World Health Organization. Reduction of Maternal Mortality. Geneva: World Health Organization, 1999.
Style de citation MLA (8e éd.)World Health Organization. Reduction of Maternal Mortality. World Health Organization, 1999.
Attention : ces citations peuvent ne pas être correctes à 100%.