Pennington, M. B. (1988). Toward an integrated humanity: Thomas Merton's journey. Cistercian Publications.
Chicago-viite (17. p.)Pennington, M. Basil. Toward an Integrated Humanity: Thomas Merton's Journey. Kalamazoo, Mich.: Cistercian Publications, 1988.
MLA-viite (8. p.)Pennington, M. Basil. Toward an Integrated Humanity: Thomas Merton's Journey. Cistercian Publications, 1988.
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