Dix, H. M. (1981). Environmental Pollution: Atmosphere, Land, Water, and Noise. John Wiley & Sons Ltd.
Cita Chicago (17th ed.)Dix, H. M. Environmental Pollution: Atmosphere, Land, Water, and Noise. New Delhi, India: John Wiley & Sons Ltd, 1981.
Cita MLA (9th ed.)Dix, H. M. Environmental Pollution: Atmosphere, Land, Water, and Noise. John Wiley & Sons Ltd, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.