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توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Biological Substances: International Standards and Reference Reagents. Geneva: World Health Organization, 1991.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Biological Substances: International Standards and Reference Reagents. World Health Organization, 1991.