Grossman, M., & Markowitz, S. (1999). Alcohol regulation and violence on college campuses. National Bureau of Economic Research.
Dyfyniad Arddull ChicagoGrossman, Michael, and Sara Markowitz. Alcohol Regulation and Violence on College Campuses. Cambridge: National Bureau of Economic Research, 1999.
Dyfyniad MLAGrossman, Michael, and Sara Markowitz. Alcohol Regulation and Violence on College Campuses. National Bureau of Economic Research, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.