Dyfyniad APA

Petrella, R. (2001). water manifesto: Arguments for a world water contract. Zed Books.

Dyfyniad Arddull Chicago

Petrella, Riccardo. Water Manifesto: Arguments for a World Water Contract. London: Zed Books, 2001.

Dyfyniad MLA

Petrella, Riccardo. Water Manifesto: Arguments for a World Water Contract. Zed Books, 2001.

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