World Health Organization. (2000). Air quality guidelines for europe (2nd-ed.). World Health Organization.
Style de citation Chicago (17e éd.)World Health Organization. Air Quality Guidelines for Europe. 2nd-ed. Copenhagen: World Health Organization, 2000.
Style de citation MLA (8e éd.)World Health Organization. Air Quality Guidelines for Europe. 2nd-ed. World Health Organization, 2000.
Attention : ces citations peuvent ne pas être correctes à 100%.