Faber, G. S. (1830). The difficulties of Romanism (Second Philadelphia edition.). Towar, J. & D.M. Hogan, and Hogan & Co. Pittsburg.
Lua i Stíl Chicago (17ú heag.)Faber, George Stanley. The Difficulties of Romanism. Second Philadelphia edition. Philadelphia: Towar, J. & D.M. Hogan, and Hogan & Co. Pittsburg, 1830.
Lua MLA (8ú heag.)Faber, George Stanley. The Difficulties of Romanism. Second Philadelphia edition. Towar, J. & D.M. Hogan, and Hogan & Co. Pittsburg, 1830.
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