Citazione APA

Shukla,S.K, & Srivastava,P.R. (1997). Encyclopaedia of environmental pollution: Vol.5. Commonwealth Publishers.

Stile di citazione Chicago

Shukla,S.K, e Srivastava,P.R. Encyclopaedia of Environmental Pollution: Vol.5. New Delhi: Commonwealth Publishers, 1997.

Citazione MLA

Shukla,S.K, e Srivastava,P.R. Encyclopaedia of Environmental Pollution: Vol.5. Commonwealth Publishers, 1997.