Philadelphia, C. A. S. o. (1911). Memorial of the monument erected on the Battlefield of Gettysburg to Very Rev. William Corby, C.S.C. Philadelphia.
Chicago-referens (17:e uppl.)Philadelphia, Catholic Alumni Sodality of. Memorial of the Monument Erected on the Battlefield of Gettysburg to Very Rev. William Corby, C.S.C. Philadelphia, 1911.
MLA-referens (8:e uppl.)Philadelphia, Catholic Alumni Sodality of. Memorial of the Monument Erected on the Battlefield of Gettysburg to Very Rev. William Corby, C.S.C. Philadelphia, 1911.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.