Rajagopalan R. (2017). Environmental Studies: From crisis to Cure (6th ed.). Oxford.
芝加哥风格引文Rajagopalan R. Environmental Studies: From Crisis to Cure. 6th ed. New Delhi: Oxford, 2017.
MLA引文Rajagopalan R. Environmental Studies: From Crisis to Cure. 6th ed. Oxford, 2017.
警告：这些引文格式不一定是100％准确.