World Bank. (2000). Food and agriculture in Bulgaria: The challenge of preparing for EU accession. World Bank.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিWorld Bank. Food and Agriculture in Bulgaria: The Challenge of Preparing for EU Accession. Washington, DC: World Bank, 2000.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিWorld Bank. Food and Agriculture in Bulgaria: The Challenge of Preparing for EU Accession. World Bank, 2000.