Dyfyniad APA

John Montgomery Cooper. The Catholic University of America, The American Catholic History Research Center and University Archives.

Dyfyniad Arddull Chicago

John Montgomery Cooper. The Catholic University of America, The American Catholic History Research Center and University Archives.

Dyfyniad MLA

John Montgomery Cooper. The Catholic University of America, The American Catholic History Research Center and University Archives.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.