Costa, D. L. (1999). American living standards: Evidence from recreational expenditures. National Bureau of Economic Research.
Chicagoスタイル(17版)引用形式Costa, Dora L. American Living Standards: Evidence from Recreational Expenditures. Cambridge: National Bureau of Economic Research, 1999.
MLA(9版)引用形式Costa, Dora L. American Living Standards: Evidence from Recreational Expenditures. National Bureau of Economic Research, 1999.
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