Greaney, V., & Kellaghan, T. (2008). Assessing national achievement levels in education. World Bank.
Chicago-Zitierstil (17. Ausg.)Greaney, Vincent, und Thomas Kellaghan. Assessing National Achievement Levels in Education. Washington, DC: World Bank, 2008.
MLA-Zitierstil (9. Ausg.)Greaney, Vincent, und Thomas Kellaghan. Assessing National Achievement Levels in Education. World Bank, 2008.