Committee, A. C. H. S. o. P. P. Letter, "Reverend and Dear Sir," From: Committee on Publication, [n.d.].
Chicago-referens (17:e uppl.)Committee, American Catholic Historical Society of Philadelphia. Publications. Letter, "Reverend and Dear Sir," From: Committee on Publication, [n.d.].
MLA-referens (8:e uppl.)Committee, American Catholic Historical Society of Philadelphia. Publications. Letter, "Reverend and Dear Sir," From: Committee on Publication, [n.d.].
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.