APA aipamena

Razin, A., & Sadka, E. (1998). Migration and pension. National Bureau of Economic Research.

Chicago Style aipamena

Razin, Assaf, and Efraim Sadka. Migration and Pension. Cambridge: National Bureau of Economic Research, 1998.

MLA aipamena

Razin, Assaf, and Efraim Sadka. Migration and Pension. National Bureau of Economic Research, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.