Dyfyniad APA

John P. Whalen. The Catholic University of America, The American Catholic History Research Center and University Archives.

Dyfyniad Arddull Chicago

John P. Whalen. The Catholic University of America, The American Catholic History Research Center and University Archives.

Dyfyniad MLA

John P. Whalen. 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.