Professional Book Publishers. (2019). Air (Prevention and Control of Pollution) Act 1981. Professional Book Publishers.
Chicagoスタイル(17版)引用形式Professional Book Publishers. Air (Prevention and Control of Pollution) Act 1981. Delhi: Professional Book Publishers, 2019.
MLA(9版)引用形式Professional Book Publishers. Air (Prevention and Control of Pollution) Act 1981. Professional Book Publishers, 2019.
警告: この引用は必ずしも正確ではありません.