Kniker, C. R. (1985). Teaching about religion in the public schools. Phi Delta Kappa Educational Foundation.
Chicago-Zitierstil (17. Ausg.)Kniker, Charles R. Teaching About Religion in the Public Schools. Bloomington, Ind: Phi Delta Kappa Educational Foundation, 1985.
MLA-Zitierstil (9. Ausg.)Kniker, Charles R. Teaching About Religion in the Public Schools. Phi Delta Kappa Educational Foundation, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.