Não informado. (1971). Influenza Bibliography. National Institute for Medical Research.
Style de citation Chicago (17e éd.)Não informado. Influenza Bibliography. London: National Institute for Medical Research, 1971.
Style de citation MLA (8e éd.)Não informado. Influenza Bibliography. National Institute for Medical Research, 1971.
Attention : ces citations peuvent ne pas être correctes à 100%.