Citação norma APA

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

Citação norma Chicago

Haskel, Jonathan E., and Matthew J. Slaughter. Have Falling Tariffs and Transportation Costs Raised U.S. Wage Inequalityn. Cambridge: National Bureau of Economic Research, 2000.

Citação norma MLA

Haskel, Jonathan E., and Matthew J. Slaughter. Have Falling Tariffs and Transportation Costs Raised U.S. Wage Inequalityn. National Bureau of Economic Research, 2000.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.