Catholic Church. Pope (1978-2005 : John Paul II) & United States Catholic Conference. (1989). 1990 Lenten message: Message, September 8, 1989. United States Catholic Conference.
Chicagoスタイル(17版)引用形式Catholic Church. Pope (1978-2005 : John Paul II) , United States Catholic Conference. 1990 Lenten Message: Message, September 8, 1989. Washington, D.C.: United States Catholic Conference, 1989.
MLA(8版)引用形式Catholic Church. Pope (1978-2005 : John Paul II) , United States Catholic Conference. 1990 Lenten Message: Message, September 8, 1989. United States Catholic Conference, 1989.
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