APA
Lovely M. E., Richardson J. D., . (1998). Trade flows and wage premiums : does who or what matter?. Cambridge, Mass: National Bureau of Economic Research.
Chicago
Lovely Mary E, Richardson J David, . 1998. Trade flows and wage premiums : does who or what matter?. Cambridge, Mass: National Bureau of Economic Research.
Harvard
Lovely M. E., Richardson J. D., . (1998). Trade flows and wage premiums : does who or what matter?. Cambridge, Mass: National Bureau of Economic Research.
MLA
Lovely Mary E, Richardson J David, . Trade flows and wage premiums : does who or what matter?. Cambridge, Mass: National Bureau of Economic Research. 1998.