Lum, C. (2003). The spatial relationship between street-level drug activity and violende.
Cita Chicago Style (17a ed.)Lum, Cynthia. The Spatial Relationship Between Street-level Drug Activity and Violende. 2003.
Cita MLA (8a ed.)Lum, Cynthia. The Spatial Relationship Between Street-level Drug Activity and Violende. 2003.
Precaución: Estas citas no son 100% exactas.