Não informado. (1918). Bulletin of the National Institute of Animal Health. National Institute of Animal Health.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Bulletin of the National Institute of Animal Health. Tokyo: National Institute of Animal Health, 1918.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Bulletin of the National Institute of Animal Health. National Institute of Animal Health, 1918.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.