Παραπομπή σε μορφή APA (7η εκδ.)

Professional. (2014). Air ( Prevention and Control of Pollution ) Act,1981. Professional Book Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Professional. Air ( Prevention and Control of Pollution ) Act,1981. Delhi: Professional Book Publishers, 2014.

Παραπομπή σε μορφή MLA (9th εκδ.)

Professional. Air ( Prevention and Control of Pollution ) Act,1981. Professional Book Publishers, 2014.