APA
Philipson T. J., Mechoulan Stephane & National Bureau Of Economic Research. (2003). Intellectual property and external consumption effects: Generealizations from pharmaceutical markets. Cambridge, MA: NBER.
Chicago
Philipson Tomas J, Mechoulan Stephane and National Bureau Of Economic Research. 2003. Intellectual property and external consumption effects: Generealizations from pharmaceutical markets. Cambridge, MA: NBER.
Harvard
Philipson T. J., Mechoulan Stephane and National Bureau Of Economic Research. (2003). Intellectual property and external consumption effects: Generealizations from pharmaceutical markets. Cambridge, MA: NBER.
MLA
Philipson Tomas J, Mechoulan Stephane and National Bureau Of Economic Research. Intellectual property and external consumption effects: Generealizations from pharmaceutical markets. Cambridge, MA: NBER. 2003.