Winterton, G. (1973). Newman: A tract by the Very Reverend Gregory Winterton of the Birmingham Oratory. The Oratory.
Chicago-referens (17:e uppl.)Winterton, Gregory. Newman: A Tract by the Very Reverend Gregory Winterton of the Birmingham Oratory. [Birmingham: The Oratory, 1973.
MLA-referens (8:e uppl.)Winterton, Gregory. Newman: A Tract by the Very Reverend Gregory Winterton of the Birmingham Oratory. The Oratory, 1973.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.