Siegel, L. J., & Welsh, B. C. (2012). Juvenile Delinquency Theory, Practice and Law (11th ed.). Wadsworth Cengage Learnng.
Lua i Stíl Chicago (17ú heag.)Siegel, Larry J., agus Brandon C. Welsh. Juvenile Delinquency Theory, Practice and Law. 11th ed. Australia: Wadsworth Cengage Learnng, 2012.
Lua MLA (9ú heag.)Siegel, Larry J., agus Brandon C. Welsh. Juvenile Delinquency Theory, Practice and Law. 11th ed. Wadsworth Cengage Learnng, 2012.
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