F. E. T. (1919). Work of the Sisters during the epidemic of influenza, October, 1918. The American Catholic Historical Society of Philadelphia.
Chicago-referens (17:e uppl.)F. E. T. Work of the Sisters During the Epidemic of Influenza, October, 1918. Philadelphia: The American Catholic Historical Society of Philadelphia, 1919.
MLA-referens (8:e uppl.)F. E. T. Work of the Sisters During the Epidemic of Influenza, October, 1918. The American Catholic Historical Society of Philadelphia, 1919.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.