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-referens (17:e uppl.)Walsh, 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-referens (8:e uppl.)Walsh, Leo M. Memory Aids: Arranged to Help Children to Assist at Mass and to Remember the Essentials of Christian Doctrine. Leo M. Walsh, 1933.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.