Spoto, D. (2004). In silence: Why we pray. Viking Compass.
Dyfyniad Arddull ChicagoSpoto, Donald. In Silence: Why We Pray. New York: Viking Compass, 2004.
Dyfyniad MLASpoto, Donald. In Silence: Why We Pray. Viking Compass, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.