Dyfyniad APA

Barnes, P. (2001). Who owns the sky?: Our common assets and the future of capitalism. Washington, DC: Island Press.

Dyfyniad Arddull Chicago

Barnes, Peter. Who Owns the Sky?: Our Common Assets and the Future of Capitalism. Washington, DC: Island Press, 2001.

Dyfyniad MLA

Barnes, Peter. Who Owns the Sky?: Our Common Assets and the Future of Capitalism. Washington, DC: Island Press, 2001.

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