U.S. Dept. of Justice, Law Enforcement Assistance Administration, National Institute of Law Enforcement and Criminal Justice, Office of Development, Testing, and Dissemination[1980]<AU-711-65>
United States Dept. of Justice, Law Enforcement Assistance Administration, National Institute of Law Enforcement and Criminal Justice : for sale by the Supt. of Docs., U.S. Govt. Print. Off.1979.<A111-274>