Não informado. (1921). Journal of the Missouri State Dental Association. Missouri State Dental Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Journal of the Missouri State Dental Association. Jefferson City, Mo: Missouri State Dental Association, 1921.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Journal of the Missouri State Dental Association. Missouri State Dental Association, 1921.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.