Hess, T. M., & Ennis, G. E. (2012). Age Differences in the Effort and Costs Associated With Cognitive Activity. Oxford University Press.
Dyfyniad Arddull ChicagoHess, Thomas M., and Gilda E. Ennis. Age Differences in the Effort and Costs Associated With Cognitive Activity. Oxford University Press, 2012.
Dyfyniad MLAHess, Thomas M., and Gilda E. Ennis. Age Differences in the Effort and Costs Associated With Cognitive Activity. Oxford University Press, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.