Hooyman, Nancy R. Social gerontology : A multidisciplinary perspective / Nancy R. Hooyman, H. Asuman Kiyak. - 5th ed. - Boston, Mass. : Allyn and Bacon, 1999. - xviii, 542 p. : ill. ; 24 cm. Includes bibliogr. references and index. Subjects--Topical Terms: Gerontology.Aging.Older people--United States.