Dyfyniad APA

Markandya,Anil, & Richardson,Julie. (1992). The earthscan reader in environmental economics (1.). Earthscan Publications Ltd.

Dyfyniad Arddull Chicago

Markandya,Anil, and Richardson,Julie. The Earthscan Reader in Environmental Economics. 1. London: Earthscan Publications Ltd, 1992.

Dyfyniad MLA

Markandya,Anil, and Richardson,Julie. The Earthscan Reader in Environmental Economics. 1. Earthscan Publications Ltd, 1992.

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