National of the Churches in the U.S.A. (1955). A guide for curriculum in christian education. Division of Christian Education.
Παραπομπή σε μορφή Chicago (17η εκδ.)National of the Churches in the U.S.A. A Guide for Curriculum in Christian Education. Division of Christian Education, 1955.
Παραπομπή σε μορφή MLA (9th εκδ.)National of the Churches in the U.S.A. A Guide for Curriculum in Christian Education. Division of Christian Education, 1955.
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