American Institutes for Research, W., DC., & Phillips, G. W. (2007). Expressing International Educational Achievement in Terms of U.S. Performance Standards: Linking NAEP Achievement Levels to TIMSS. American Institutes for Research.
Chicago Style (17th ed.) CitationAmerican Institutes for Research, Washington, DC., and Gary W. Phillips. "Expressing International Educational Achievement in Terms of U.S. Performance Standards: Linking NAEP Achievement Levels to TIMSS." American Institutes for Research 2007.
MLA (9th ed.) CitationAmerican Institutes for Research, Washington, DC., and Gary W. Phillips. "Expressing International Educational Achievement in Terms of U.S. Performance Standards: Linking NAEP Achievement Levels to TIMSS." American Institutes for Research, 2007.