World Bank. (2000). Food and agriculture in Bulgaria: The challenge of preparing for EU accession. World Bank.
Cytowanie według stylu Chicago (wyd. 17)World Bank. Food and Agriculture in Bulgaria: The Challenge of Preparing for EU Accession. Washington, DC: World Bank, 2000.
Cytowanie według stylu MLA (wyd. 9)World Bank. Food and Agriculture in Bulgaria: The Challenge of Preparing for EU Accession. World Bank, 2000.