Dyfyniad APA

Sibbett, R. A., Russ, T. C., Deary, I. J., & Starr, J. M. (2017). Risk factors for dementia in the ninth decade of life and beyond: A study of the Lothian birth cohort 1921. BMC Psychiatry.

Dyfyniad Arddull Chicago

Sibbett, Ruth A., Tom C. Russ, Ian J. Deary, and John M. Starr. "Risk Factors for Dementia in the Ninth Decade of Life and Beyond: A Study of the Lothian Birth Cohort 1921." BMC Psychiatry 2017.

Dyfyniad MLA

Sibbett, Ruth A., Tom C. Russ, Ian J. Deary, and John M. Starr. "Risk Factors for Dementia in the Ninth Decade of Life and Beyond: A Study of the Lothian Birth Cohort 1921." BMC Psychiatry 2017.

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