APA (7e ed.) Bronvermelding

Não informado. (1971). Influenza Bibliography. National Institute for Medical Research.

Chicago (17e ed.) Bronvermelding

Não informado. Influenza Bibliography. London: National Institute for Medical Research, 1971.

MLA (8e ed.) Bronvermelding

Não informado. Influenza Bibliography. National Institute for Medical Research, 1971.

Let op: Deze citaties zijn niet altijd 100% accuraat.