Coy, P. G. (1988). A Revolution of the heart: Essays on the Catholic worker. New Society.
Lua i Stíl Chicago (17ú heag.)Coy, Patrick G. A Revolution of the Heart: Essays on the Catholic Worker. Philadelphia: New Society, 1988.
Lua MLA (8ú heag.)Coy, Patrick G. A Revolution of the Heart: Essays on the Catholic Worker. New Society, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.