Lewis, E. (1942). The practice of the Christian life. The Westminster.
Lua i Stíl Chicago (17ú heag.)Lewis, Edwin. The Practice of the Christian Life. Philadelphia: The Westminster, 1942.
Lua MLA (9ú heag.)Lewis, Edwin. The Practice of the Christian Life. The Westminster, 1942.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.