Atchley, R. C. (1977). The social forces in later life: An introduction to social gerontology (2d ed.). Wadsworth Pub. Co..
Chicago-referens (17:e uppl.)Atchley, Robert C. The Social Forces in Later Life: An Introduction to Social Gerontology. 2d ed. Belmont, Calif.: Wadsworth Pub. Co., 1977.
MLA-referens (8:e uppl.)Atchley, Robert C. The Social Forces in Later Life: An Introduction to Social Gerontology. 2d ed. Wadsworth Pub. Co., 1977.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.