APA-viite (7. p.)

Borsch-Supan, A. (1999). Incentive effects of social security under an uncertain disability option. National Bureau of Economic Research.

Chicago-viite (17. p.)

Borsch-Supan, Axel. Incentive Effects of Social Security Under an Uncertain Disability Option. Cambridge: National Bureau of Economic Research, 1999.

MLA-viite (9. p.)

Borsch-Supan, Axel. Incentive Effects of Social Security Under an Uncertain Disability Option. National Bureau of Economic Research, 1999.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.