Harrigan, J., & Zakrajsek, E. (2000). Factor supplies and specialization in the world economy. National Bureau of Economic Research.
Citazione stile Chigago Style (17a edizione)Harrigan, James, e Egon Zakrajsek. Factor Supplies and Specialization in the World Economy. Cambridge: National Bureau of Economic Research, 2000.
Citatione MLA (9a ed.)Harrigan, James, e Egon Zakrajsek. Factor Supplies and Specialization in the World Economy. National Bureau of Economic Research, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.