Não informado. (1964). Influenza: An annotated bibliography. Library of the College of Physicians, Medical Documentation Service.
Chicago-Zitierstil (17. Ausg.)Não informado. Influenza: An Annotated Bibliography. Philadelphia, Pa: Library of the College of Physicians, Medical Documentation Service, 1964.
MLA-Zitierstil (8. Ausg.)Não informado. Influenza: An Annotated Bibliography. Library of the College of Physicians, Medical Documentation Service, 1964.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.