APA-čujuhus (7. p.)
ebrary, Inc, Arum, R., & Velez, M. (2012). Improving learning environments: School discipline and student achievement in comparative perspective. Stanford University Press.
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.
MLA-čujuhus (9. p.)
ebrary, Inc, et al. Improving Learning Environments: School Discipline and Student Achievement in Comparative Perspective. Stanford University Press, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.