Bottomley, F., & Green, C. (1978). The church explorer's guide to symbols and their meaning. Kaye and Ward.
Lua i Stíl Chicago (17ú heag.)Bottomley, Frank, agus Connie Green. The Church Explorer's Guide to Symbols and Their Meaning. London: Kaye and Ward, 1978.
Lua MLA (8ú heag.)Bottomley, Frank, agus Connie Green. The Church Explorer's Guide to Symbols and Their Meaning. Kaye and Ward, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.