Dyfyniad APA

Freedman, V. A., & Spillman, B. C. (2016). Active Life Expectancy In The Older US Population, 1982–2011: Black-White Differences Persisted. Health Aff (Millwood).

Dyfyniad Arddull Chicago

Freedman, Vicki A., and Brenda C. Spillman. "Active Life Expectancy In The Older US Population, 1982–2011: Black-White Differences Persisted." Health Aff (Millwood) 2016.

Dyfyniad MLA

Freedman, Vicki A., and Brenda C. Spillman. "Active Life Expectancy In The Older US Population, 1982–2011: Black-White Differences Persisted." Health Aff (Millwood) 2016.

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