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Lua i Stíl Chicago (17ú heag.)De Viana, Augusto V. "[Old Catholic and Philippine Independent Ecclesiologies in History: Review]." Philippiniana Sacra 2012.
Lua MLA (9ú heag.)De Viana, Augusto V. "[Old Catholic and Philippine Independent Ecclesiologies in History: Review]." Philippiniana Sacra, 2012.
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