APA (7th ed.) Zitazioa
Coppa, F. J. (2008). Politics and the papacy in the modern world. Praeger.
Chicago Style (17th ed.) Zitazioa
Coppa, Frank J. Politics and the Papacy in the Modern World. Westport, Conn.: Praeger, 2008.
MLA (9th ed.) Zitazioa
Coppa, Frank J. Politics and the Papacy in the Modern World. Praeger, 2008.
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