Tohutoro APA (7th ed.)
Nebel, B. J., & Wright, R. T. (1993). Environmental science: The way the world works (4th.ed.). Prentice Hall.
Tohutoru Kātū Chicago (17th ed.)
Nebel, Bernard J., me Richard T. Wright. Environmental Science: The Way the World Works. 4th.ed. Englewood Cliffs: Prentice Hall, 1993.
Tohutoro MLA (9th ed.)
Nebel, Bernard J., me Richard T. Wright. Environmental Science: The Way the World Works. 4th.ed. Prentice Hall, 1993.
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