Kershen, D. L. (2002). Agricultural biotechnology: Environmental benefits for identifiable environmental problems. Environmental Law Institute.
Lua i Stíl Chicago (17ú heag.)Kershen, Drew L. Agricultural Biotechnology: Environmental Benefits for Identifiable Environmental Problems. Washington, D.C.: Environmental Law Institute, 2002.
Lua MLA (9ú heag.)Kershen, Drew L. Agricultural Biotechnology: Environmental Benefits for Identifiable Environmental Problems. Environmental Law Institute, 2002.
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