Pesch, O. H. (2006). The ecumenical potential of the Second Vatican Council. Marquette University Press.
Chicago-viite (17. p.)Pesch, Otto Hermann. The Ecumenical Potential of the Second Vatican Council. Milwaukee, WI: Marquette University Press, 2006.
MLA-viite (9. p.)Pesch, Otto Hermann. The Ecumenical Potential of the Second Vatican Council. Marquette University Press, 2006.
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