Sutton, P. W. (2004). Nature, environment and society. Palgrave Macmillan.
Lua i Stíl Chicago (17ú heag.)Sutton, Philip W. Nature, Environment and Society. New York: Palgrave Macmillan, 2004.
Lua MLA (9ú heag.)Sutton, Philip W. Nature, Environment and Society. Palgrave Macmillan, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.