Professional. (2014). Air ( Prevention and Control of Pollution ) Act,1981. Professional Book Publishers.
Citazione stile Chigago Style (17a edizione)Professional. Air ( Prevention and Control of Pollution ) Act,1981. Delhi: Professional Book Publishers, 2014.
Citatione MLA (9a ed.)Professional. Air ( Prevention and Control of Pollution ) Act,1981. Professional Book Publishers, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.