APA ציטוט

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

Chicago Style Citation

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

ציטוט MLA

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