APA
Bloom N., National Bureau of Economic Research, Draka M. & Van R. J. (2011). Trade induced technical change?. Cambridge: NBER.
Chicago
Bloom Nicholas, National Bureau of Economic Research, Draka Mirko and Van Reenen John. 2011. Trade induced technical change?. Cambridge: NBER.
Harvard
Bloom N., National Bureau of Economic Research, Draka M. and Van R. J. (2011). Trade induced technical change?. Cambridge: NBER.
MLA
Bloom Nicholas, National Bureau of Economic Research, Draka Mirko and Van Reenen John. Trade induced technical change?. Cambridge: NBER. 2011.