Petre, M. D. (1907). Catholicism and independence: Being studies in spiritual liberty. Longmans, Green.
Chicago-referens (17:e uppl.)Petre, Maude Dominica. Catholicism and Independence: Being Studies in Spiritual Liberty. London ; New York: Longmans, Green, 1907.
MLA-referens (8:e uppl.)Petre, Maude Dominica. Catholicism and Independence: Being Studies in Spiritual Liberty. Longmans, Green, 1907.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.