Dyfyniad APA
Rumberger, R. W. (2011). Dropping out: Why students drop out of high school and what can be done about it. Harvard University Press.
Dyfyniad Arddull Chicago
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.
Dyfyniad MLA
Rumberger, Russell W. Dropping Out: Why Students Drop Out of High School and What Can Be Done About It. Harvard University Press, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.