Clark, D. J. (1963). A Catholic Answer to the Race Problem: With study-club questions. Glen Rock, N.J..
Chicago-referens (17:e uppl.)Clark, Dennis J. A Catholic Answer to the Race Problem: With Study-club Questions. Glen Rock, N.J., 1963.
MLA-referens (8:e uppl.)Clark, Dennis J. A Catholic Answer to the Race Problem: With Study-club Questions. Glen Rock, N.J., 1963.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.