Lua APA (7ú heag.)
Coppa, F. J. (2014). Papacy in the modern world: A political history. Reaktion Books.
Lua i Stíl Chicago (17ú heag.)
Coppa, Frank J. Papacy in the Modern World: A Political History. London, United Kingdom: Reaktion Books, 2014.
Lua MLA (9ú heag.)
Coppa, Frank J. Papacy in the Modern World: A Political History. Reaktion Books, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.