Cita APA (7a ed.)

Haskel, J. E., & Slaughter, M. J. (2000). Have falling tariffs and transportation costs raised U.S. wage inequality? National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Haskel, Jonathan E., y Matthew Jon Slaughter. Have Falling Tariffs and Transportation Costs Raised U.S. Wage Inequality? Cambridge, MA: National Bureau of Economic Research, 2000.

Cita MLA (9a ed.)

Haskel, Jonathan E., y Matthew Jon Slaughter. Have Falling Tariffs and Transportation Costs Raised U.S. Wage Inequality? National Bureau of Economic Research, 2000.