Adams, W. M. (1996). Future nature: A vision for conservation. London: Earthscan.
Chicago Style aipamenaAdams, William Mark. Future Nature: A Vision for Conservation. London: Earthscan, 1996.
MLA aipamenaAdams, William Mark. Future Nature: A Vision for Conservation. London: Earthscan, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.