APA-čujuhus (7. p.)
(1961). Research in gerontology: Biological and medical. U.S.Department of Health,Education,and Welfare.
Chicago-čujuhus (17. p.)
Research in Gerontology: Biological and Medical. Washington: U.S.Department of Health,Education,and Welfare, 1961.
MLA-čujuhus (9. p.)
Research in Gerontology: Biological and Medical. U.S.Department of Health,Education,and Welfare, 1961.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.