George Gilmary Higgins. The Catholic University of America, The American Catholic History Research Center and University Archives.
Chicago (17e ed.) BronvermeldingGeorge Gilmary Higgins. The Catholic University of America, The American Catholic History Research Center and University Archives.
MLA (8e ed.) BronvermeldingGeorge Gilmary Higgins. The Catholic University of America, The American Catholic History Research Center and University Archives.
Let op: Deze citaties zijn niet altijd 100% accuraat.