William Bentley Ball. The Catholic University of America, The American Catholic History Research Center and University Archives.
Chicago-стиль цитированияWilliam Bentley Ball. The Catholic University of America, The American Catholic History Research Center and University Archives.
MLA-цитированиеWilliam Bentley Ball. The Catholic University of America, The American Catholic History Research Center and University Archives.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.