Gupta, O. P. (2016). Elements of environmental pollution control. Khanna Book Publishing Co.
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芝加哥风格引文
Gupta, Om Prakash. Elements of Environmental Pollution Control. New Delhi: Khanna Book Publishing Co, 2016.
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MLA引文
Gupta, Om Prakash. Elements of Environmental Pollution Control. Khanna Book Publishing Co, 2016.
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警告：这些引文格式不一定是100％准确.