Dyfyniad APA
ebrary, Inc, & Silverstein, M. (2005). Annual review of gerontology & geriatrics. Springer.
Dyfyniad Arddull Chicago
ebrary, Inc, and Merril Silverstein. Annual Review of Gerontology & Geriatrics. New York: Springer, 2005.
Dyfyniad MLA
ebrary, Inc, and Merril Silverstein. Annual Review of Gerontology & Geriatrics. Springer, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.