Não informado. Vaccination inquirer and health review. National Anti-Vaccination League.
Chicago-viite (17. p.)Não informado. Vaccination Inquirer and Health Review. London: National Anti-Vaccination League.
MLA-viite (8. p.)Não informado. Vaccination Inquirer and Health Review. National Anti-Vaccination League.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.