Kumar, R. (1987). Environmental pollution and health hazards in India. Ashish.
芝加哥风格引文Kumar, R. Environmental Pollution and Health Hazards in India. New Delhi: Ashish, 1987.
MLA引文Kumar, R. Environmental Pollution and Health Hazards in India. Ashish, 1987.
警告：这些引文格式不一定是100％准确.