APA
Lanjouw J. O., Schankerman Mark & National Bureau Of Economic Research. (2001). Enforcing intellectual property rights. Cambridge, MA: NBER.
Chicago
Lanjouw Jean O, Schankerman Mark and National Bureau Of Economic Research. 2001. Enforcing intellectual property rights. Cambridge, MA: NBER.
Harvard
Lanjouw J. O., Schankerman Mark and National Bureau Of Economic Research. (2001). Enforcing intellectual property rights. Cambridge, MA: NBER.
MLA
Lanjouw Jean O, Schankerman Mark and National Bureau Of Economic Research. Enforcing intellectual property rights. Cambridge, MA: NBER. 2001.
