Nugent, R. (2012). Thomas Merton & Thérèse Lentfoehr: The story of a friendship. St. Pauls.
Chicago Style aipamenaNugent, Robert. Thomas Merton & Thérèse Lentfoehr: The Story of a Friendship. Staten Island, NY: St. Pauls, 2012.
MLA aipamenaNugent, Robert. Thomas Merton & Thérèse Lentfoehr: The Story of a Friendship. St. Pauls, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.