Citazione Stile APA (7a Edizione)

Knopkar,S.M. (2015). Environmental pollution: Monitoring & control:2 nd ed. New Age International.

Citazione stile Chigago Style (17a edizione)

Knopkar,S.M. Environmental Pollution: Monitoring & Control:2 Nd Ed. New Delhi: New Age International, 2015.

Citatione MLA (9a ed.)

Knopkar,S.M. Environmental Pollution: Monitoring & Control:2 Nd Ed. New Age International, 2015.