Carroll, J. E. (2004). Sustainability and spirituality. State University of New York Press.
Lua i Stíl Chicago (17ú heag.)Carroll, John E. Sustainability and Spirituality. Albany: State University of New York Press, 2004.
Lua MLA (9ú heag.)Carroll, John E. Sustainability and Spirituality. State University of New York Press, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.