O'Collins, G. (1998). All things new: The promise of Advent, Christmas, and the New Year. Paulist Press.
Chicago-referens (17:e uppl.)O'Collins, Gerald. All Things New: The Promise of Advent, Christmas, and the New Year. New York: Paulist Press, 1998.
MLA-referens (8:e uppl.)O'Collins, Gerald. All Things New: The Promise of Advent, Christmas, and the New Year. Paulist Press, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.