APA
Duggan M., National Bureau of Economic Research, Garthwaite C. & Goyal A. (2014). The Market impacts of pharmaceutical product patents in developing countries. Cambridge: NBER.
Chicago
Duggan Mark, National Bureau of Economic Research, Garthwaite Crai and Goyal Aparajita. 2014. The Market impacts of pharmaceutical product patents in developing countries. Cambridge: NBER.
Harvard
Duggan M., National Bureau of Economic Research, Garthwaite C. and Goyal A. (2014). The Market impacts of pharmaceutical product patents in developing countries. Cambridge: NBER.
MLA
Duggan Mark, National Bureau of Economic Research, Garthwaite Crai and Goyal Aparajita. The Market impacts of pharmaceutical product patents in developing countries. Cambridge: NBER. 2014.