National Institute of Law Enforcement and Criminal Justice, Law Enforcement Assistance Administration, United States Dept. of Justice : for sale by the Supt. of Docs., U.S. Govt. Print. Off.1977.<AU-711-51>
Clifford L. Karchmer, Marilyn E. Walsh, James GreenfieldU.S. Dept. of Justice, Law Enforcement Assistance Administration : Supt. of Docs., U.S. G.P.O., distributor1980