Lua APA (7ú heag.)
CHEN, Y. (1996). "EQUIVALENT RETIREMENT AGES" AND THEIR IMPLICATIONS FOR SOCIAL SECURITY AND MEDICARE FINANCING.
Lua i Stíl Chicago (17ú heag.)
CHEN, Y. "EQUIVALENT RETIREMENT AGES" AND THEIR IMPLICATIONS FOR SOCIAL SECURITY AND MEDICARE FINANCING. 1996.
Lua MLA (9ú heag.)
CHEN, Y. "EQUIVALENT RETIREMENT AGES" AND THEIR IMPLICATIONS FOR SOCIAL SECURITY AND MEDICARE FINANCING. 1996.
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