Dutta, R. (2000). The environmental activists` handbook. Socio- legal information centre.
芝加哥风格引文Dutta, Ritwick. The Environmental Activists` Handbook. Mumbai: Socio- legal information centre, 2000.
MLA引文Dutta, Ritwick. The Environmental Activists` Handbook. Socio- legal information centre, 2000.
警告：这些引文格式不一定是100％准确.