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.
Chicago Style (17. basım) AtıfWalsh, 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.
MLA (8th ed.) AtıfWalsh, Leo M. Memory Aids: Arranged to Help Children to Assist at Mass and to Remember the Essentials of Christian Doctrine. Leo M. Walsh, 1933.
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