Joyce, T. J. (2001). Did legalized abortion lower crime? National Bureau of Economic Research.
Cita Chicago Style (17a ed.)Joyce, Theodore J. Did Legalized Abortion Lower Crime? National Bureau of Economic Research, 2001.
Cita MLA (9a ed.)Joyce, Theodore J. Did Legalized Abortion Lower Crime? National Bureau of Economic Research, 2001.
Precaución: Estas citas no son 100% exactas.