Educational Testing Service, National Center for Education Statistics, & Mullis, I. V. S. (1991). The state of mathematics achievement: NAEP's 1990 assessment of the nation and the trial assessment of the states. The Center.
Chicago Style (17th ed.) CitationEducational Testing Service, National Center for Education Statistics, and Ina V. S. Mullis. The State of Mathematics Achievement: NAEP's 1990 Assessment of the Nation and the Trial Assessment of the States. Washington, D.C.: The Center, 1991.
MLA (9th ed.) CitationEducational Testing Service, et al. The State of Mathematics Achievement: NAEP's 1990 Assessment of the Nation and the Trial Assessment of the States. The Center, 1991.
Warning: These citations may not always be 100% accurate.