Barnes, P. (2001). Who owns the sky?: Our common assets and the future of capitalism. Washington, DC: Island Press.
シカゴスタイル引用形Barnes, Peter. Who Owns the Sky?: Our Common Assets and the Future of Capitalism. Washington, DC: Island Press, 2001.
MLA引用形式Barnes, Peter. Who Owns the Sky?: Our Common Assets and the Future of Capitalism. Washington, DC: Island Press, 2001.
警告: この引用は必ずしも正確ではありません.