World Health Organization. (1997). Biotechnology and world health: Risks and benefits of vaccines and other medical products produced by genetic engineering. World Health Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization. Biotechnology and World Health: Risks and Benefits of Vaccines and Other Medical Products Produced by Genetic Engineering. Geneva: World Health Organization, 1997.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)World Health Organization. Biotechnology and World Health: Risks and Benefits of Vaccines and Other Medical Products Produced by Genetic Engineering. World Health Organization, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.