Professional Book Publishers. (2019). The Air (Prevention and Control of Pollution) Act, 1981 (14 of 1981). Professional Book Publishers.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Professional Book Publishers. The Air (Prevention and Control of Pollution) Act, 1981 (14 of 1981). New Delhi: Professional Book Publishers, 2019.
MLA -ийн эшлэл (9 дэх хэвлэлт)Professional Book Publishers. The Air (Prevention and Control of Pollution) Act, 1981 (14 of 1981). Professional Book Publishers, 2019.
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