Dyfyniad APA

Barnes, P. (2001). Who Owns the Sky: Our Common Assets the Future of Capitalism. Whasington: Island Press.

Dyfyniad Arddull Chicago

Barnes, Peter. Who Owns the Sky: Our Common Assets the Future of Capitalism. Whasington: Island Press, 2001.

Dyfyniad MLA

Barnes, Peter. Who Owns the Sky: Our Common Assets the Future of Capitalism. Whasington: Island Press, 2001.

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