APA aipamena

Szczepanski. Social Security and Pension Reform. W.E. Upjohn Institute.

Chicago Style aipamena

Szczepanski. Social Security and Pension Reform. W.E. Upjohn Institute.

MLA aipamena

Szczepanski. Social Security and Pension Reform. W.E. Upjohn Institute.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.