Cita APA (7a ed.)

Koskela, E., Sinn, H., & SChöb, R. (1999). Green Tax Reform and Competitiveness. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Koskela, Erkki, Hans-Werner Sinn, y Ronnie SChöb. Green Tax Reform and Competitiveness. Cambridge, Massachusetts: National Bureau of Economic Research, 1999.

Cita MLA (9a ed.)

Koskela, Erkki, et al. Green Tax Reform and Competitiveness. National Bureau of Economic Research, 1999.