Norris, D. (1990). Violence against social workers. Kingsley.
Cita Chicago Style (17a ed.)Norris, Dan. Violence Against Social Workers. London: Kingsley, 1990.
Cita MLA (8a ed.)Norris, Dan. Violence Against Social Workers. Kingsley, 1990.
Precaución: Estas citas no son 100% exactas.