Polek, D. (1979). Advent begins at home: Family prayers and activities for advent and Christmas. Liguori Publications.
Citazione stile Chigago Style (17a edizione)Polek, David. Advent Begins at Home: Family Prayers and Activities for Advent and Christmas. Missouri: Liguori Publications, 1979.
Citatione MLA (9a ed.)Polek, David. Advent Begins at Home: Family Prayers and Activities for Advent and Christmas. Liguori Publications, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.