DiGiovanna, A. G. (2000). Human Aging: Biological Perspectives (2nd ed.). McGraw - Hill.
Lua i Stíl Chicago (17ú heag.)DiGiovanna, Augustine G. Human Aging: Biological Perspectives. 2nd ed. Boston: McGraw - Hill, 2000.
Lua MLA (9ú heag.)DiGiovanna, Augustine G. Human Aging: Biological Perspectives. 2nd ed. McGraw - Hill, 2000.
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