Mary, M. M. (1963). Call to happiness. Life of Mother Frances Mary Teresa Ball.. Dublin.
Lua i Stíl Chicago (17ú heag.)Mary, Mother Margaret. Call to Happiness. Life of Mother Frances Mary Teresa Ball.. Dublin, 1963.
Lua MLA (8ú heag.)Mary, Mother Margaret. Call to Happiness. Life of Mother Frances Mary Teresa Ball.. Dublin, 1963.
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