Grogger, J. (1991). Certainty vs. severity of punishment.
Cita Chicago Style (17a ed.)Grogger, Jeffrey. Certainty Vs. Severity of Punishment. 1991.
Cita MLA (8a ed.)Grogger, Jeffrey. Certainty Vs. Severity of Punishment. 1991.
Precaución: Estas citas no son 100% exactas.