Rue, L. D. (2011). Nature is enough: Religious naturalism and the meaning of life. State University of New York Press.

Rue, Loyal D. Nature Is Enough: Religious Naturalism and the Meaning of Life. Albany: State University of New York Press, 2011.

Rue, Loyal D. Nature Is Enough: Religious Naturalism and the Meaning of Life. State University of New York Press, 2011.