Confraternity of Christian Doctrine. (1941). Instructions for lay teachers. Confraternity of Christian Doctrine, Publications Dept..
Παραπομπή σε μορφή Chicago (17η εκδ.)Confraternity of Christian Doctrine. Instructions for Lay Teachers. Washington, D.C.: Confraternity of Christian Doctrine, Publications Dept., 1941.
Παραπομπή σε μορφή MLA (8th εκδ.)Confraternity of Christian Doctrine. Instructions for Lay Teachers. Confraternity of Christian Doctrine, Publications Dept., 1941.
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