Catherwood, H. F. R. (1969). The citizen Christian. Hodder & Stoughton.
Lua i Stíl Chicago (17ú heag.)Catherwood, H. F. R. The Citizen Christian. [London]: Hodder & Stoughton, 1969.
Lua MLA (9ú heag.)Catherwood, H. F. R. The Citizen Christian. Hodder & Stoughton, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.