Nebel, B. J., & Wright, R. T. (2000). Environmental Science: The Way the World Works (7th ed.). Prentice Hall.
Tohutoru Kātū Chicago (17th ed.)Nebel, Bernard J., me Richard T. Wright. Environmental Science: The Way the World Works. 7th ed. Upper Saddle River, New Jersey: Prentice Hall, 2000.
Tohutoro MLA (9th ed.)Nebel, Bernard J., me Richard T. Wright. Environmental Science: The Way the World Works. 7th ed. Prentice Hall, 2000.
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