Nugent, R. (2012). Thomas Merton & Thérèse Lentfoehr: The story of a friendship. St. Pauls.
Lua i Stíl Chicago (17ú heag.)Nugent, Robert. Thomas Merton & Thérèse Lentfoehr: The Story of a Friendship. Staten Island, NY: St. Pauls, 2012.
Lua MLA (8ú heag.)Nugent, Robert. Thomas Merton & Thérèse Lentfoehr: The Story of a Friendship. St. Pauls, 2012.
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