Dyfyniad APA
Bilsky, L. J. (1980). Historical ecology: Essays on environment and social change. Kennikat Press.
Dyfyniad Arddull Chicago
Bilsky, Lester J. Historical Ecology: Essays on Environment and Social Change. Port Washington, N.Y.: Kennikat Press, 1980.
Dyfyniad MLA
Bilsky, Lester J. Historical Ecology: Essays on Environment and Social Change. Kennikat Press, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.