Wright, R. T., & Bernard, N. J. (2002). Environmental science towards a sustainable future (8th ed.). Prentice-Hall of India.
Styl ChicagoWright, Richard T., a Nebel J. Bernard. Environmental Science Towards a Sustainable Future. 8th ed. New Delhi: Prentice-Hall of India, 2002.
Citace podle MLAWright, Richard T., a Nebel J. Bernard. Environmental Science Towards a Sustainable Future. 8th ed. Prentice-Hall of India, 2002.
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