APA (7th ed.) Zitazioa
ebrary, Inc, Greaney, V., & Kellaghan, T. (2008). National assessments of educational achievement. World Bank.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Vincent Greaney, eta Thomas Kellaghan. National Assessments of Educational Achievement. Washington, DC: World Bank, 2008.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. National Assessments of Educational Achievement. World Bank, 2008.
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