World Health Organization. Regional Office for Europe & ebrary, Inc. (2010). Sixty years of WHO in Europe. WHO Regional Office for Europe.
Style de citation Chicago (17e éd.)World Health Organization. Regional Office for Europe et Inc ebrary. Sixty Years of WHO in Europe. Copenhagen: WHO Regional Office for Europe, 2010.
Style de citation MLA (9e éd.)World Health Organization. Regional Office for Europe et Inc ebrary. Sixty Years of WHO in Europe. WHO Regional Office for Europe, 2010.
Attention : ces citations peuvent ne pas être correctes à 100%.