John Montgomery Cooper. The Catholic University of America, The American Catholic History Research Center and University Archives.
Chicago Style (17. basım) AtıfJohn Montgomery Cooper. The Catholic University of America, The American Catholic History Research Center and University Archives.
MLA (8th ed.) AtıfJohn Montgomery Cooper. The Catholic University of America, The American Catholic History Research Center and University Archives.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..