APA aipamena

John T. McNicholas. The Catholic University of America, The American Catholic History Research Center and University Archives.

Chicago Style aipamena

John T. McNicholas. The Catholic University of America, The American Catholic History Research Center and University Archives.

MLA aipamena

John T. McNicholas. The Catholic University of America, The American Catholic History Research Center and University Archives.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.