Dyfyniad APA

Yasamis Firuz Demir & International Academy of Ecology and Environmental Sciences. Economic instruments of environmental management.

Dyfyniad Arddull Chicago

Yasamis Firuz Demir and International Academy of Ecology and Environmental Sciences. Economic Instruments of Environmental Management.

Dyfyniad MLA

Yasamis Firuz Demir and International Academy of Ecology and Environmental Sciences. Economic Instruments of Environmental Management.

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