Shukla, S. K., & Srivastava, P. R. (1997). Encyclopaedia of environmental pollution: Environmental noise pollution. Commonwealth.
Cita Chicago (17th ed.)Shukla, S. K., i P. R. Srivastava. Encyclopaedia of Environmental Pollution: Environmental Noise Pollution. New Delhi: Commonwealth, 1997.
Cita MLA (9th ed.)Shukla, S. K., i P. R. Srivastava. Encyclopaedia of Environmental Pollution: Environmental Noise Pollution. Commonwealth, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.