Dyfyniad APA

ebrary, Inc, O'Brien, G., & Rosenbloom, L. (2009). Developmental disability and ageing. Mac Keith Press.

Dyfyniad Arddull Chicago

ebrary, Inc, Gregory O'Brien, and Lewis Rosenbloom. Developmental Disability and Ageing. London: Mac Keith Press, 2009.

Dyfyniad MLA

ebrary, Inc, et al. Developmental Disability and Ageing. Mac Keith Press, 2009.

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