Scragg, A. (1999). Environmental biotechnology. Edinburg Gate, England: Longman.
Trích dẫn kiểu ChicagoScragg, Alan. Environmental Biotechnology. Edinburg Gate, England: Longman, 1999.
Deismireacht MLAScragg, Alan. Environmental Biotechnology. Edinburg Gate, England: Longman, 1999.
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