Coppa, F. J. (1999). Controversial concordats: The Vatican's relations with Napoleon, Mussolini, and Hitler. Catholic University of America Press.
Citace podle Chicago (17th ed.)Coppa, Frank J. Controversial Concordats: The Vatican's Relations with Napoleon, Mussolini, and Hitler. Washington, District of Columbia: Catholic University of America Press, 1999.
Citace podle MLA (9th ed.)Coppa, Frank J. Controversial Concordats: The Vatican's Relations with Napoleon, Mussolini, and Hitler. Catholic University of America Press, 1999.
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