Costa, D. L. (2000). Understanding mid-life and older age mortality declines: Evidence from union army veterans. National Bureau of Economic Research.
Čikaški stil citiranja (17. izdanje)Costa, Dora L. Understanding Mid-life and Older Age Mortality Declines: Evidence from Union Army Veterans. Cambridge: National Bureau of Economic Research, 2000.
MLA način citiranja (9. izdanje)Costa, Dora L. Understanding Mid-life and Older Age Mortality Declines: Evidence from Union Army Veterans. National Bureau of Economic Research, 2000.
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