Adams, W. (1997). Future nature: A vision for conservation. Earthscan Publications.
Chicago Style aipamenaAdams, W.M. Future Nature: A Vision for Conservation. London: Earthscan Publications, 1997.
MLA aipamenaAdams, W.M. Future Nature: A Vision for Conservation. Earthscan Publications, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.