Wilshire, H. G., Nielson, J. E., & Hazlett, R. W. (2008). The American West at risk: Science, myths, and politics of land abuse and recovery. Oxford University Press.
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Lua i Stíl Chicago (17ú heag.)
Wilshire, Howard Gordon, Jane E. Nielson, agus Richard W. Hazlett. The American West at Risk: Science, Myths, and Politics of Land Abuse and Recovery. New York: Oxford University Press, 2008.
Cóipeáladh chuig an ngearrthaisce go rathúil é
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Lua MLA (9ú heag.)
Wilshire, Howard Gordon, et al. The American West at Risk: Science, Myths, and Politics of Land Abuse and Recovery. Oxford University Press, 2008.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.