Παραπομπή σε μορφή APA (7η εκδ.)

Professional Book Publishers. (2019). The Air (Prevention and Control of Pollution) Act, 1981 (14 of 1981). Professional Book Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Professional Book Publishers. The Air (Prevention and Control of Pollution) Act, 1981 (14 of 1981). New Delhi: Professional Book Publishers, 2019.

Παραπομπή σε μορφή MLA (9th εκδ.)

Professional Book Publishers. The Air (Prevention and Control of Pollution) Act, 1981 (14 of 1981). Professional Book Publishers, 2019.