APA
Blonigen B. A., National Bureau of Economic Research & Mcgrew J. (2013). Task routineness and trade policy preferences. Cambridge: NBER.
Chicago
Blonigen Bruce A, National Bureau of Economic Research and Mcgrew Jacob. 2013. Task routineness and trade policy preferences. Cambridge: NBER.
Harvard
Blonigen B. A., National Bureau of Economic Research and Mcgrew J. (2013). Task routineness and trade policy preferences. Cambridge: NBER.
MLA
Blonigen Bruce A, National Bureau of Economic Research and Mcgrew Jacob. Task routineness and trade policy preferences. Cambridge: NBER. 2013.