Ross-Utley, A. L. (2000). The perceived impact of Pennsylvania act 26: Efforts to control violence in Pennsylvania's public schools.
Cita Chicago Style (17a ed.)Ross-Utley, Audrey Lee. The Perceived Impact of Pennsylvania Act 26: Efforts to Control Violence in Pennsylvania's Public Schools. 2000.
Cita MLA (8a ed.)Ross-Utley, Audrey Lee. The Perceived Impact of Pennsylvania Act 26: Efforts to Control Violence in Pennsylvania's Public Schools. 2000.
Precaución: Estas citas no son 100% exactas.