ebrary, Inc, Arum, R., & Velez, M. (2012). Improving learning environments: School discipline and student achievement in comparative perspective. Stanford University Press.
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Chicago-čujuhus (17. p.)
ebrary, Inc, Richard Arum, juo Melissa Velez. Improving Learning Environments: School Discipline and Student Achievement in Comparative Perspective. Stanford, Calif.: Stanford University Press, 2012.
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MLA-čujuhus (9. p.)
ebrary, Inc, et al. Improving Learning Environments: School Discipline and Student Achievement in Comparative Perspective. Stanford University Press, 2012.
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