Dyfyniad APA

(2010). Preventing Alzheimer's disease and cognitive decline / prepared by Duke Evidence-based Practice Center ; authors John W. Williams [and others].

Dyfyniad Arddull Chicago

Preventing Alzheimer's Disease and Cognitive Decline / Prepared by Duke Evidence-based Practice Center ; Authors John W. Williams [and Others]. 2010.

Dyfyniad MLA

Preventing Alzheimer's Disease and Cognitive Decline / Prepared by Duke Evidence-based Practice Center ; Authors John W. Williams [and Others]. 2010.

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