Cita APA (7th ed.)

Gruber, J., & Koszegi, B. (2001). A theory of government regulation of addictive bads: Optimal tax levels and tax incidence for cigarette excise taxation. National Bureau of Economic Research.

Cita Chicago (17th ed.)

Gruber, Jonathan, i Botond Koszegi. A Theory of Government Regulation of Addictive Bads: Optimal Tax Levels and Tax Incidence for Cigarette Excise Taxation. Cambridge: National Bureau of Economic Research, 2001.

Cita MLA (9th ed.)

Gruber, Jonathan, i Botond Koszegi. A Theory of Government Regulation of Addictive Bads: Optimal Tax Levels and Tax Incidence for Cigarette Excise Taxation. National Bureau of Economic Research, 2001.

Atenció: Aquestes cites poden no estar 100% correctes.