Helm, D. (2005). Climate-Change Policy: Introduction. Oxford University Press.
Chicagoスタイル(17版)引用形式Helm, D. Climate-Change Policy: Introduction. Oxford University Press, 2005.
MLA(9版)引用形式Helm, D. Climate-Change Policy: Introduction. Oxford University Press, 2005.
警告: この引用は必ずしも正確ではありません.