Dyfyniad APA

Atchley, R. C. (1977). The social forces in later life: An introduction to social gerontology (2d ed.). Wadsworth Pub. Co..

Dyfyniad Arddull Chicago

Atchley, Robert C. The Social Forces in Later Life: An Introduction to Social Gerontology. 2d ed. Belmont, Calif.: Wadsworth Pub. Co., 1977.

Dyfyniad MLA

Atchley, Robert C. The Social Forces in Later Life: An Introduction to Social Gerontology. 2d ed. Wadsworth Pub. Co., 1977.

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