Dyfyniad APA

Environment: Science and Policy for Sustainable Development. Cambridge University Press.

Dyfyniad Arddull Chicago

Environment: Science and Policy for Sustainable Development. Cambridge University Press.

Dyfyniad MLA

Environment: Science and Policy for Sustainable Development. Cambridge University Press.

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