(1973). Energy, economic growth, and the environment: Papers presented at a forum conducted by Resources for the Future, inc. in Washington, D.C., 20-21 April 1971. Baltimore: The Johns Hopkins University Press.
Dyfyniad Arddull ChicagoEnergy, Economic Growth, and the Environment: Papers Presented At a Forum Conducted By Resources for the Future, Inc. in Washington, D.C., 20-21 April 1971. Baltimore: The Johns Hopkins University Press, 1973.
Dyfyniad MLAEnergy, Economic Growth, and the Environment: Papers Presented At a Forum Conducted By Resources for the Future, Inc. in Washington, D.C., 20-21 April 1971. Baltimore: The Johns Hopkins University Press, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.