Berkes, F. (2008). Sacred ecology (2nd ed.). Routledge.
Lua i Stíl Chicago (17ú heag.)Berkes, Fikret. Sacred Ecology. 2nd ed. New York: Routledge, 2008.
Lua MLA (9ú heag.)Berkes, Fikret. Sacred Ecology. 2nd ed. Routledge, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.