Não informado. Vaccination inquirer and health review. National Anti-Vaccination League.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Vaccination Inquirer and Health Review. London: National Anti-Vaccination League.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Vaccination Inquirer and Health Review. National Anti-Vaccination League.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.