Higgins, M. W. (2014). Thomas Merton: Faithful visionary. Liturgical Press.
Lua i Stíl Chicago (17ú heag.)Higgins, Michael W. Thomas Merton: Faithful Visionary. Collegeville, Minnesota: Liturgical Press, 2014.
Lua MLA (8ú heag.)Higgins, Michael W. Thomas Merton: Faithful Visionary. Liturgical Press, 2014.
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