@book{4800,
	title = {On the 25th Anniversary of the Constitution on the Sacred Liturgy: Apostolic Letter of the Supreme Pontiff John Paul II on the 25th Anniversary of the Promulgation of the Concilliar Constitution Sacrosanctum Concilium on the Sacred Liturgy},
	publisher = {United States Catholic Conference},
	year = {1988},
	address = {Washington D.C}
}