Professional Book Publishers. (2019). The Air (Prevention and Control of Pollution) Act, 1981 (14 of 1981). Professional Book Publishers.
Chicago-viite (17. p.)Professional Book Publishers. The Air (Prevention and Control of Pollution) Act, 1981 (14 of 1981). New Delhi: Professional Book Publishers, 2019.
MLA-viite (9. p.)Professional Book Publishers. The Air (Prevention and Control of Pollution) Act, 1981 (14 of 1981). Professional Book Publishers, 2019.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.