Dyfyniad APA

Graute,Ulrich. Sustainable development for central and eastern Europe. Springer Verlag.

Dyfyniad Arddull Chicago

Graute,Ulrich. Sustainable Development for Central and Eastern Europe. Berlin: Springer Verlag.

Dyfyniad MLA

Graute,Ulrich. Sustainable Development for Central and Eastern Europe. Springer Verlag.

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