Guild, C. S. (1924). A Christian Social Crusade. Oxford.
Lua i Stíl Chicago (17ú heag.)Guild, Catholic Social. A Christian Social Crusade. Oxford, 1924.
Lua MLA (8ú heag.)Guild, Catholic Social. A Christian Social Crusade. Oxford, 1924.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.