Tiffany, R. L. (1995). Perceptions of secondary public school administrators in Salt Lake County, Utah, concerning the nature of gang-related incidents within the schools.
Cita Chicago Style (17a ed.)Tiffany, Richard Larry. Perceptions of Secondary Public School Administrators in Salt Lake County, Utah, Concerning the Nature of Gang-related Incidents Within the Schools. 1995.
Cita MLA (9a ed.)Tiffany, Richard Larry. Perceptions of Secondary Public School Administrators in Salt Lake County, Utah, Concerning the Nature of Gang-related Incidents Within the Schools. 1995.
Precaución: Estas citas no son 100% exactas.