Rumberger, R. W. (2011). Dropping out: Why students drop out of high school and what can be done about it. Harvard University Press.
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Chicago-čujuhus (17. p.)
Rumberger, Russell W. Dropping Out: Why Students Drop Out of High School and What Can Be Done About It. Cambridge, Mass.: Harvard University Press, 2011.
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MLA-čujuhus (9. p.)
Rumberger, Russell W. Dropping Out: Why Students Drop Out of High School and What Can Be Done About It. Harvard University Press, 2011.
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