Adams, W. (1997). Future nature: A vision for conservation. Earthscan Publications.
Lua i Stíl Chicago (17ú heag.)Adams, W.M. Future Nature: A Vision for Conservation. London: Earthscan Publications, 1997.
Lua MLA (9ú heag.)Adams, W.M. Future Nature: A Vision for Conservation. Earthscan Publications, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.