Dyfyniad APA

ebrary, Inc, & Bengtson, V. L. (1996). Adulthood and aging: Research on continuities and discontinuities. Springer Pub..

Dyfyniad Arddull Chicago

ebrary, Inc, and Vern L. Bengtson. Adulthood and Aging: Research on Continuities and Discontinuities. New York: Springer Pub., 1996.

Dyfyniad MLA

ebrary, Inc, and Vern L. Bengtson. Adulthood and Aging: Research on Continuities and Discontinuities. Springer Pub., 1996.

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