John Paul II, P. (1980). Christ tells youth how to be happy. Daughters of St. Paul.
Chicagoスタイル(17版)引用形式John Paul II, Pope. Christ Tells Youth How to Be Happy. Boston, Mass.: Daughters of St. Paul, 1980.
MLA(8版)引用形式John Paul II, Pope. Christ Tells Youth How to Be Happy. Daughters of St. Paul, 1980.
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