Cobb, P. W. (2005). Gateways to spirituality: Pre-school through grade twelve. P. Lang.
Dyfyniad Arddull ChicagoCobb, Peter W. Gateways to Spirituality: Pre-school Through Grade Twelve. New York: P. Lang, 2005.
Dyfyniad MLACobb, Peter W. Gateways to Spirituality: Pre-school Through Grade Twelve. P. Lang, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.