International Congress of Gerontology Washington, D. C., & International Association of Gerontology. (1969). Proceedings. International Association of Gerontology.
Čikaški stil citiranja (17. izdanje)International Congress of Gerontology Washington, D. C., i International Association of Gerontology. Proceedings. Washington: International Association of Gerontology, 1969.
MLA način citiranja (8. izdanje)International Congress of Gerontology Washington, D. C., i International Association of Gerontology. Proceedings. International Association of Gerontology, 1969.
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