Wallis, J. (1981). The call to conversion. Harper & Row.
Lua i Stíl Chicago (17ú heag.)Wallis, Jim. The Call to Conversion. New York: Harper & Row, 1981.
Lua MLA (8ú heag.)Wallis, Jim. The Call to Conversion. Harper & Row, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.