Tohutoro APA (7th ed.)
Nebel, B. (1996). Environmental science (5th.). Prentice Hall.
Tohutoru Kātū Chicago (17th ed.)
Nebel, Bernard. Environmental Science. 5th. New Jersey: Prentice Hall, 1996.
Tohutoro MLA (9th ed.)
Nebel, Bernard. Environmental Science. 5th. Prentice Hall, 1996.
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