Merton, T., & Shannon, W. H. (1985). The hidden ground of love: The letters of Thomas Merton on religious experience and social concerns. Farrar, Straus, Giroux.
Lua i Stíl Chicago (17ú heag.)Merton, Thomas, agus William Henry Shannon. The Hidden Ground of Love: The Letters of Thomas Merton on Religious Experience and Social Concerns. New York: Farrar, Straus, Giroux, 1985.
Lua MLA (8ú heag.)Merton, Thomas, agus William Henry Shannon. The Hidden Ground of Love: The Letters of Thomas Merton on Religious Experience and Social Concerns. Farrar, Straus, Giroux, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.