VALDES-PRIETO SALVADOR EDT. (1997). ECONOMICS OF PENSIONS. CAMBRIDGE UNIVERSITY PRESS.
Chicago-čujuhus (17. p.)VALDES-PRIETO SALVADOR EDT. ECONOMICS OF PENSIONS. U K: CAMBRIDGE UNIVERSITY PRESS, 1997.
MLA-čujuhus (9. p.)VALDES-PRIETO SALVADOR EDT. ECONOMICS OF PENSIONS. CAMBRIDGE UNIVERSITY PRESS, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.