Caldwell, I. S. (1959). The organizing principle in the curriculum of Christian education: Protestant trends.
Dyfyniad Arddull ChicagoCaldwell, Irene Smith. The Organizing Principle in the Curriculum of Christian Education: Protestant Trends. 1959.
Dyfyniad MLACaldwell, Irene Smith. The Organizing Principle in the Curriculum of Christian Education: Protestant Trends. 1959.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.