APA (7 वां संस्करण) प्रशस्ति पत्र

Professional Book Publishers. (2019). Air (Prevention and Control of Pollution) Act 1981. Professional Book Publishers.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Professional Book Publishers. Air (Prevention and Control of Pollution) Act 1981. Delhi: Professional Book Publishers, 2019.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Professional Book Publishers. Air (Prevention and Control of Pollution) Act 1981. Professional Book Publishers, 2019.