World Health Organization. (2002). Terrorist threats to food: Guidance for establishing and strengthening prevention and response systems. World Health Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization. Terrorist Threats to Food: Guidance for Establishing and Strengthening Prevention and Response Systems. Geneva: World Health Organization, 2002.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)World Health Organization. Terrorist Threats to Food: Guidance for Establishing and Strengthening Prevention and Response Systems. World Health Organization, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.