National Research Council (U.S.). Committee on the Evaluation of the Voluntary National Tests, Year 2., ebrary, Inc, Wise, L. L., Noeth, R. J., & Koenig, J. A. (1999). Evaluation of the voluntary national tests, year 2: Final report. National Academy Press.
Tohutoru Kātū Chicago (17th ed.)National Research Council (U.S.). Committee on the Evaluation of the Voluntary National Tests, Year 2., Inc ebrary, Lauress L. Wise, Richard J. Noeth, me Judith A. Koenig. Evaluation of the Voluntary National Tests, Year 2: Final Report. Washington, DC: National Academy Press, 1999.
Tohutoro MLA (9th ed.)National Research Council (U.S.). Committee on the Evaluation of the Voluntary National Tests, Year 2., et al. Evaluation of the Voluntary National Tests, Year 2: Final Report. National Academy Press, 1999.