APA-čujuhus (7. p.)
Urbina, M. G. (2012). Capital punishment in America: Race and the death penalty over time. LFB Scholarly Pub. LLC.
Chicago-čujuhus (17. p.)
Urbina, Martin G. Capital Punishment in America: Race and the Death Penalty over Time. El Paso: LFB Scholarly Pub. LLC, 2012.
MLA-čujuhus (9. p.)
Urbina, Martin G. Capital Punishment in America: Race and the Death Penalty over Time. LFB Scholarly Pub. LLC, 2012.
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