Attfield, R. (1999). The ethics of the global environment. Purdue University Press.
芝加哥风格引文Attfield, Robin. The Ethics of the Global Environment. West Lafayette, Ind.: Purdue University Press, 1999.
MLA引文Attfield, Robin. The Ethics of the Global Environment. Purdue University Press, 1999.
警告：这些引文格式不一定是100％准确.