Toynbee, A. J. Universal Churches.
Lua i Stíl Chicago (17ú heag.)Toynbee, Arnold J. Universal Churches.
Lua MLA (8ú heag.)Toynbee, Arnold J. Universal Churches.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)