Gaya APA

Siegel, L, J., Welsh, B, C. (2012). Juvenile Delinquency : theory, practice, and law (ed. 11). united states,: Wadsworth Cengage Learning.

Gaya MLA

Siegel, Larry, J.., Welsh, Brandon, C.. "Juvenile Delinquency : theory, practice, and law". ed. 11 united states,: Wadsworth Cengage Learning, 2012. Buku.