Unnevehr, L., & Hirschhorn, N. (2000). Food safety issues in the developing world. The World Bank.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUnnevehr, Laurian, এবং Nancy Hirschhorn. Food Safety Issues in the Developing World. Washington, D.C.: The World Bank, 2000.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিUnnevehr, Laurian, এবং Nancy Hirschhorn. Food Safety Issues in the Developing World. The World Bank, 2000.