Biobalt '92 Tallin, Estonia, European Federation of Biotechnology, Lippmaa, H., & Kreen, M. (1992). Biobalt '92: Biotechnology in Estonia, Latvia and Lithuania : conference abstracts. Tallin Technical University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Biobalt '92 Tallin, Estonia, European Federation of Biotechnology, Helle Lippmaa, و Malle Kreen. Biobalt '92: Biotechnology in Estonia, Latvia and Lithuania : Conference Abstracts. Tallin: Tallin Technical University, 1992.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Biobalt '92 Tallin, Estonia, et al. Biobalt '92: Biotechnology in Estonia, Latvia and Lithuania : Conference Abstracts. Tallin Technical University, 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.