Não informado. (1941). Army dental bulletin. U.S. Medical Field Service School.
Chicago-viite (17. p.)Não informado. Army Dental Bulletin. Washington: U.S. Medical Field Service School, 1941.
MLA-viite (8. p.)Não informado. Army Dental Bulletin. U.S. Medical Field Service School, 1941.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.