Walker, S. (1989). Sense and nonsense about crime: A policy guide (2. ed.). Brooks/Cole.
Cita Chicago Style (17a ed.)Walker, Samuel. Sense and Nonsense About Crime: A Policy Guide. 2. ed. Pacific Grove, Calif: Brooks/Cole, 1989.
Cita MLA (9a ed.)Walker, Samuel. Sense and Nonsense About Crime: A Policy Guide. 2. ed. Brooks/Cole, 1989.
Precaución: Estas citas no son 100% exactas.