Bregman, L. (2014). The ecology of spirituality: Meanings, virtues, and practices in a post-religious age. Baylor University Press.
Lua i Stíl Chicago (17ú heag.)Bregman, Lucy. The Ecology of Spirituality: Meanings, Virtues, and Practices in a Post-religious Age. Waco, Texas: Baylor University Press, 2014.
Lua MLA (9ú heag.)Bregman, Lucy. The Ecology of Spirituality: Meanings, Virtues, and Practices in a Post-religious Age. Baylor University Press, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.