Wagenknecht, E. (1972). Ambassadors for Christ: Seven American preachers. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Wagenknecht, Edward. Ambassadors for Christ: Seven American Preachers. New York: Oxford University Press, 1972.
Lua MLA (8ú heag.)Wagenknecht, Edward. Ambassadors for Christ: Seven American Preachers. Oxford University Press, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.