National Institute of Law Enforcement and Criminal Justice, Law Enforcement Assistance Administration, U.S. Dept. of Justice : for sale by the Supt. of Docs., U.S. Govt. Print. Off.1978.<AU-741-89>
U.S. 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.1973 i.e. 1974.<A351-22>