APA
Grossman G. M., National Bureau of Economic Research & Helpman E. (2014). Growth, trade, and inequality. Cambridge: NBER.
Chicago
Grossman Gene M, National Bureau of Economic Research and Helpman Elhanan. 2014. Growth, trade, and inequality. Cambridge: NBER.
Harvard
Grossman G. M., National Bureau of Economic Research and Helpman E. (2014). Growth, trade, and inequality. Cambridge: NBER.
MLA
Grossman Gene M, National Bureau of Economic Research and Helpman Elhanan. Growth, trade, and inequality. Cambridge: NBER. 2014.