Pennington, M. B. (1996). Thomas Merton, my brother: His journey into freedom, compassion, and final integration : essays. New City Press.
Chicago-viite (17. p.)Pennington, M. Basil. Thomas Merton, My Brother: His Journey into Freedom, Compassion, and Final Integration : Essays. Hyde Park, N.Y.: New City Press, 1996.
MLA-viite (8. p.)Pennington, M. Basil. Thomas Merton, My Brother: His Journey into Freedom, Compassion, and Final Integration : Essays. New City Press, 1996.
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