Não informado. (2004). Epidemiological Bulletin. Pan American Health Organization.
Style de citation Chicago (17e éd.)Não informado. Epidemiological Bulletin. Washington: Pan American Health Organization, 2004.
Style de citation MLA (8e éd.)Não informado. Epidemiological Bulletin. Pan American Health Organization, 2004.
Attention : ces citations peuvent ne pas être correctes à 100%.