Meyer, W. B. (1996). Human impact on the earth. Cambridge,New York: Cambridge University Press.
Trích dẫn kiểu ChicagoMeyer, William B. Human Impact On the Earth. Cambridge,New York: Cambridge University Press, 1996.
Deismireacht MLAMeyer, William B. Human Impact On the Earth. Cambridge,New York: Cambridge University Press, 1996.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.