Não informado. (2001). Special bulletin of the Montana State Board of Health. Montana State Board of Health.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Special Bulletin of the Montana State Board of Health. Helena, Mont: Montana State Board of Health, 2001.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Special Bulletin of the Montana State Board of Health. Montana State Board of Health, 2001.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.