Greaney, V., & Kellaghan, T. (2008). Assessing national achievement levels in education. World Bank.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Greaney, Vincent, ба Thomas Kellaghan. Assessing National Achievement Levels in Education. Washington, DC: World Bank, 2008.
MLA -ийн эшлэл (9 дэх хэвлэлт)Greaney, Vincent, ба Thomas Kellaghan. Assessing National Achievement Levels in Education. World Bank, 2008.