Dyfyniad APA

Journal of Aging Research | Hindawi Limited. Cambridge University Press.

Dyfyniad Arddull Chicago

Journal of Aging Research | Hindawi Limited. Cambridge University Press.

Dyfyniad MLA

Journal of Aging Research | Hindawi Limited. Cambridge University Press.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.