Geetha Bali. (2002). Environmental biotechnology. A.P.H. Publishing Corporation.
Čikaški stil citiranjaGeetha Bali. Environmental Biotechnology. New Delhi: A.P.H. Publishing Corporation, 2002.
MLA način citiranjaGeetha Bali. Environmental Biotechnology. A.P.H. Publishing Corporation, 2002.
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