Greaney, V., & Kellaghan, T. (2008). Assessing national achievement levels in education. World Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGreaney, Vincent, और Thomas Kellaghan. Assessing National Achievement Levels in Education. Washington, DC: World Bank, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGreaney, Vincent, और Thomas Kellaghan. Assessing National Achievement Levels in Education. World Bank, 2008.