Walsh, L. M. (1933). Memory aids: Arranged to help children to assist at mass and to remember the essentials of Christian doctrine. Leo M. Walsh.
Dyfyniad Arddull ChicagoWalsh, Leo M. Memory Aids: Arranged to Help Children to Assist at Mass and to Remember the Essentials of Christian Doctrine. Cincinnati, Ohio: Leo M. Walsh, 1933.
Dyfyniad MLAWalsh, Leo M. Memory Aids: Arranged to Help Children to Assist at Mass and to Remember the Essentials of Christian Doctrine. Leo M. Walsh, 1933.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.