O'Block, R. L. (1986). Criminal justice research sources ([2. rev., enlarged ed.].). Anderson.
Cita Chicago Style (17a ed.)O'Block, Robert L. Criminal Justice Research Sources. [2. rev., enlarged ed.]. Cincinnati: Anderson, 1986.
Cita MLA (9a ed.)O'Block, Robert L. Criminal Justice Research Sources. [2. rev., enlarged ed.]. Anderson, 1986.
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