Hofer, S. M., & Alwin, D. E. e. (2008). Handbook of Cognitive Aging: : interdisciplinary perspectives. Sage Publications.
Dyfyniad Arddull ChicagoHofer, Scott M., and Duane E editors Alwin. Handbook of Cognitive Aging: : Interdisciplinary Perspectives. New Delhi: Sage Publications, 2008.
Dyfyniad MLAHofer, Scott M., and Duane E editors Alwin. Handbook of Cognitive Aging: : Interdisciplinary Perspectives. Sage Publications, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.