Dyfyniad APA
De Long, D. W. (2004). Lost knowledge: Confronting the threat of an aging workforce. Oxford University Press.
Dyfyniad Arddull Chicago
De Long, David W. Lost Knowledge: Confronting the Threat of an Aging Workforce. Oxford ; New York: Oxford University Press, 2004.
Dyfyniad MLA
De Long, David W. Lost Knowledge: Confronting the Threat of an Aging Workforce. Oxford University Press, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.