Não informado. (1964). Influenza: An annotated bibliography. Library of the College of Physicians, Medical Documentation Service.
Chicago-viite (17. p.)Não informado. Influenza: An Annotated Bibliography. Philadelphia, Pa: Library of the College of Physicians, Medical Documentation Service, 1964.
MLA-viite (8. p.)Não informado. Influenza: An Annotated Bibliography. Library of the College of Physicians, Medical Documentation Service, 1964.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.