Não informado. (2018). Diseases of the Chest. Federation of American Sanatoria.
Chicago-viite (17. p.)Não informado. Diseases of the Chest. Los Angeles, Calif: Federation of American Sanatoria, 2018.
MLA-viite (8. p.)Não informado. Diseases of the Chest. Federation of American Sanatoria, 2018.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.