Hedley, G. (1961). Christian worship Some meaning and means. Macmillan.
Lua i Stíl Chicago (17ú heag.)Hedley, George. Christian Worship Some Meaning and Means. Macmillan, 1961.
Lua MLA (9ú heag.)Hedley, George. Christian Worship Some Meaning and Means. Macmillan, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.