Barnum, S. R. (2005). Biotechnology (India ed.). Thomson/Brooks/Cole.
Lua i Stíl Chicago (17ú heag.)Barnum, Susan R. Biotechnology. India ed. Belmont, CA ; New Delhi: Thomson/Brooks/Cole, 2005.
Lua MLA (8ú heag.)Barnum, Susan R. Biotechnology. India ed. Thomson/Brooks/Cole, 2005.
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