Dyfyniad APA

Picado, W. (2010). Sustainability of the Unsustainability. Its History and Sustainable Development.

Dyfyniad Arddull Chicago

Picado, Wilson. Sustainability of the Unsustainability. Its History and Sustainable Development. 2010.

Dyfyniad MLA

Picado, Wilson. Sustainability of the Unsustainability. Its History and Sustainable Development. 2010.

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