VALDES-PRIETO SALVADOR EDT. (1997). ECONOMICS OF PENSIONS. CAMBRIDGE UNIVERSITY PRESS.
Chicagoスタイル(17版)引用形式VALDES-PRIETO SALVADOR EDT. ECONOMICS OF PENSIONS. U K: CAMBRIDGE UNIVERSITY PRESS, 1997.
MLA(9版)引用形式VALDES-PRIETO SALVADOR EDT. ECONOMICS OF PENSIONS. CAMBRIDGE UNIVERSITY PRESS, 1997.
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