Engelhard, M., Bölker, M., & Budisa, N. Old and new risks in synthetic biology: Topics and tools for discussion / Margret Engelhard. Michael Bölker. Synthetic Biology Analysed : Tools for Discussion and Evaluation.(2016).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Engelhard, Margret, Michael Bölker, و Nediljko Budisa. "Old and New Risks in Synthetic Biology: Topics and Tools for Discussion / Margret Engelhard. Michael Bölker." Synthetic Biology Analysed : Tools for Discussion and Evaluation.(2016) .
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Engelhard, Margret, et al. "Old and New Risks in Synthetic Biology: Topics and Tools for Discussion / Margret Engelhard. Michael Bölker." Synthetic Biology Analysed : Tools for Discussion and Evaluation.(2016), .
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