Spoto, D. (2004). In silence: Why we pray. Viking Compass.
Lua i Stíl Chicago (17ú heag.)Spoto, Donald. In Silence: Why We Pray. New York: Viking Compass, 2004.
Lua MLA (8ú heag.)Spoto, Donald. In Silence: Why We Pray. Viking Compass, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.