APA (7. basım) Alıntı

Friedberg, L. (1998). The effect of old age assistance on retirement. National Bureau of Economic Research.

Chicago Style (17. basım) Atıf

Friedberg, Leora. The Effect of Old Age Assistance on Retirement. Cambridge: National Bureau of Economic Research, 1998.

MLA (9th ed.) Atıf

Friedberg, Leora. The Effect of Old Age Assistance on Retirement. National Bureau of Economic Research, 1998.