World Health Organization. (1998). Health 21: Health for all in the 21st century. World Health Organization.
Style de citation Chicago (17e éd.)World Health Organization. Health 21: Health for All in the 21st Century. Denmark: World Health Organization, 1998.
Style de citation MLA (8e éd.)World Health Organization. Health 21: Health for All in the 21st Century. World Health Organization, 1998.
Attention : ces citations peuvent ne pas être correctes à 100%.