Wild, R. A. (2009). Comrades stumbling along: The friendship of Catherine de Hueck Doherty and Dorothy Day as revealed through their letters. Society of St. Paul/Alba House.
Chicago-referens (17:e uppl.)Wild, Robert A. Comrades Stumbling Along: The Friendship of Catherine De Hueck Doherty and Dorothy Day as Revealed Through Their Letters. Staten Island, N.Y.: Society of St. Paul/Alba House, 2009.
MLA-referens (8:e uppl.)Wild, Robert A. Comrades Stumbling Along: The Friendship of Catherine De Hueck Doherty and Dorothy Day as Revealed Through Their Letters. Society of St. Paul/Alba House, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.