Woodstock College Press; Zorn, G. (1960). Woodstock Letters Index: Volumes 1-80. St. Louis University. Pius XII Memorial Library.
Chicago-referens (17:e uppl.)Woodstock College Press; Zorn, George. Woodstock Letters Index: Volumes 1-80. St. Louis University. Pius XII Memorial Library, 1960.
MLA-referens (8:e uppl.)Woodstock College Press; Zorn, George. Woodstock Letters Index: Volumes 1-80. St. Louis University. Pius XII Memorial Library, 1960.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.