Rajagopalan R. (2023). Environmental studies: From Crisis to Cure (4th.). OUP.
芝加哥风格引文Rajagopalan R. Environmental Studies: From Crisis to Cure. 4th. New Delhi: OUP, 2023.
MLA引文Rajagopalan R. Environmental Studies: From Crisis to Cure. 4th. OUP, 2023.
警告：这些引文格式不一定是100％准确.