Rajagopalan R. (2016). Environmental studies: From Crisis to Cure (3ed.). OUP.
芝加哥风格引文Rajagopalan R. Environmental Studies: From Crisis to Cure. 3ed. New Delhi: OUP, 2016.
MLA引文Rajagopalan R. Environmental Studies: From Crisis to Cure. 3ed. OUP, 2016.
警告：这些引文格式不一定是100％准确.