Terence Vincent Powderly. The American Catholic History Research Center and University Archives.
Chicago Style (17. basım) AtıfTerence Vincent Powderly. The American Catholic History Research Center and University Archives.
MLA (8th ed.) AtıfTerence Vincent Powderly. The American Catholic History Research Center and University Archives.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..