APA
Baldwin R. E., Cain Glen G & National Bureau Of Economic Research. (1997). Shifts in U.S. relative wages: the role of trade, technology and factor endowments. Cambridge, MA: NBER.
Chicago
Baldwin Robert E, Cain Glen G and National Bureau Of Economic Research. 1997. Shifts in U.S. relative wages: the role of trade, technology and factor endowments. Cambridge, MA: NBER.
Harvard
Baldwin R. E., Cain Glen G and National Bureau Of Economic Research. (1997). Shifts in U.S. relative wages: the role of trade, technology and factor endowments. Cambridge, MA: NBER.
MLA
Baldwin Robert E, Cain Glen G and National Bureau Of Economic Research. Shifts in U.S. relative wages: the role of trade, technology and factor endowments. Cambridge, MA: NBER. 1997.