Unnevehr, L., & Hirschhorn, N. (2000). Food safety issues in the developing world. The World Bank.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Unnevehr, Laurian, و Nancy Hirschhorn. Food Safety Issues in the Developing World. Washington, D.C.: The World Bank, 2000.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Unnevehr, Laurian, و Nancy Hirschhorn. Food Safety Issues in the Developing World. The World Bank, 2000.