Dyfyniad APA

Chertow, M. R., & Esty, D. C. (1997). Thinking ecologically: The next generation of environmental policy. Yale University Press.

Dyfyniad Arddull Chicago

Chertow, Marian R., and Daniel C. Esty. Thinking Ecologically: The Next Generation of Environmental Policy. New Haven: Yale University Press, 1997.

Dyfyniad MLA

Chertow, Marian R., and Daniel C. Esty. Thinking Ecologically: The Next Generation of Environmental Policy. Yale University Press, 1997.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.