Citazione APA

Patro,, L., & Panigrahy,, R. (2008). Environmental pollution and hazards. Discovery.

Stile di citazione Chicago

Patro,, L.R, e R.L Panigrahy. Environmental Pollution and Hazards. New Delhi: Discovery, 2008.

Citazione MLA

Patro,, L.R, e R.L Panigrahy. Environmental Pollution and Hazards. Discovery, 2008.