Hooyman, N. R., & Kiyak, H. A. (2008). Social gerontology: A multidisciplinary perspective (8th ed.). Pearson/Allyn & Bacon.
Cita Chicago (17th ed.)Hooyman, Nancy R., i H. Asuman Kiyak. Social Gerontology: A Multidisciplinary Perspective. 8th ed. Boston, Mass: Pearson/Allyn & Bacon, 2008.
Cita MLA (9th ed.)Hooyman, Nancy R., i H. Asuman Kiyak. Social Gerontology: A Multidisciplinary Perspective. 8th ed. Pearson/Allyn & Bacon, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.