Feldstein, M. (1998). Social security pension reform in China. National Bureau of Economic Research.
Chicago Style aipamenaFeldstein, Martin. Social Security Pension Reform in China. Cambridge: National Bureau of Economic Research, 1998.
MLA aipamenaFeldstein, Martin. Social Security Pension Reform in China. National Bureau of Economic Research, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.