Gaya APA

Bayens, G., Smykla, J, O. (2012). Probation, Parole, and Community-Based Corrections : Supervision, Treatment, and Evidence-Based Practices . United States: Mc Graw Hill.

Gaya MLA

Bayens, Gerald., Smykla, John, Ortiz. "Probation, Parole, and Community-Based Corrections : Supervision, Treatment, and Evidence-Based Practices". United States: Mc Graw Hill, 2012. Text.