Shukla, S. K., & Srivastava, P. R. (1997). Encyclopaedia of environmental pollution: Industrial pollution and environmental issues. Commonwealth.
Citazione stile Chigago Style (17a edizione)Shukla, S. K., e P. R. Srivastava. Encyclopaedia of Environmental Pollution: Industrial Pollution and Environmental Issues. New Delhi: Commonwealth, 1997.
Citatione MLA (9a ed.)Shukla, S. K., e P. R. Srivastava. Encyclopaedia of Environmental Pollution: Industrial Pollution and Environmental Issues. Commonwealth, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.