Chang, S., Coulson, N. E., & Wang, P. (2002). Optimal drug policy in low-income neighborhoods. National Bureau of Economic Research.
Chicago-Zitierstil (17. Ausg.)Chang, Sheng-wen, N. Edward Coulson, und Ping Wang. Optimal Drug Policy in Low-income Neighborhoods. Cambridge, Mass: National Bureau of Economic Research, 2002.
MLA-Zitierstil (9. Ausg.)Chang, Sheng-wen, et al. Optimal Drug Policy in Low-income Neighborhoods. National Bureau of Economic Research, 2002.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.