Sopko, C. (1999). The Sisters of Mercy in the Toledo Diocese: A brief history compiled from unoublished sources.
Chicago-referens (17:e uppl.)Sopko, Catherine. The Sisters of Mercy in the Toledo Diocese: A Brief History Compiled from Unoublished Sources. 1999.
MLA-referens (8:e uppl.)Sopko, Catherine. The Sisters of Mercy in the Toledo Diocese: A Brief History Compiled from Unoublished Sources. 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.