Professional Book Publishers. (2019). Air (Prevention and Control of Pollution) Act 1981. Professional Book Publishers.
Chicago-Zitierstil (17. Ausg.)Professional Book Publishers. Air (Prevention and Control of Pollution) Act 1981. Delhi: Professional Book Publishers, 2019.
MLA-Zitierstil (9. Ausg.)Professional Book Publishers. Air (Prevention and Control of Pollution) Act 1981. Professional Book Publishers, 2019.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.