Herren, R. V. (2005). Introduction to biotechnology: An agricultural revolution. Delmar/Thomson Learning.
Chicago-viite (17. p.)Herren, Ray V. Introduction to Biotechnology: An Agricultural Revolution. Clifton Park, N.Y: Delmar/Thomson Learning, 2005.
MLA-viite (8. p.)Herren, Ray V. Introduction to Biotechnology: An Agricultural Revolution. Delmar/Thomson Learning, 2005.
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