Córdova Ugarte, F., & Andrade Izquierdo, M. F. American youth gangs: Poverty, ethnicity, and violent crime.
Cita Chicago (17th ed.)Córdova Ugarte, Fanny, i María Fernanda Andrade Izquierdo. American Youth Gangs: Poverty, Ethnicity, and Violent Crime.
Cita MLA (8th ed.)Córdova Ugarte, Fanny, i María Fernanda Andrade Izquierdo. American Youth Gangs: Poverty, Ethnicity, and Violent Crime.
Atenció: Aquestes cites poden no estar 100% correctes.