APA
Stomberg C., National Bureau of Economic Research, . (2016). Drug shortages, pricing and regulatory activity. Cambridge: NBER.
Chicago
Stomberg Christopher, National Bureau of Economic Research, . 2016. Drug shortages, pricing and regulatory activity. Cambridge: NBER.
Harvard
Stomberg C., National Bureau of Economic Research, . (2016). Drug shortages, pricing and regulatory activity. Cambridge: NBER.
MLA
Stomberg Christopher, National Bureau of Economic Research, . Drug shortages, pricing and regulatory activity. Cambridge: NBER. 2016.