Tohutoro APA (7th ed.)
Gopinath, R., & Balasubramanya, N. (2018). Environmental science and engineering. Cengage.
Tohutoru Kātū Chicago (17th ed.)
Gopinath, Rajesh, me N. Balasubramanya. Environmental Science and Engineering. New Delhi: Cengage, 2018.
Tohutoro MLA (9th ed.)
Gopinath, Rajesh, me N. Balasubramanya. Environmental Science and Engineering. Cengage, 2018.
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