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Lua i Stíl Chicago (17ú heag.)United States Catholic Conference agus Paul Henderson. Called to Be Peacemakers and Apostles of Hope: World Youth Day Resource Manual : A Resource for the National Catholic Youth Initiative "To Stand Against Violence". Washington, D.C.: United States Catholic Conference, 1995.
Lua MLA (8ú heag.)United States Catholic Conference agus Paul Henderson. Called to Be Peacemakers and Apostles of Hope: World Youth Day Resource Manual : A Resource for the National Catholic Youth Initiative "To Stand Against Violence". United States Catholic Conference, 1995.