Godfrey, E. D., & Harris, D. (1971). Basic elements of intelligence: A manual of theory, structure and procedures for use by Law enforcement agencies against organized crime. Dept. of Justice, Technical Assistance Division, Law Enforcement Assistance Administration U.S. Govt. Print. Office.
Chicago-Zitierstil (17. Ausg.)Godfrey, E. Drexel, und Donald Harris. Basic Elements of Intelligence: A Manual of Theory, Structure and Procedures for Use by Law Enforcement Agencies Against Organized Crime. Washington, D.C: Dept. of Justice, Technical Assistance Division, Law Enforcement Assistance Administration U.S. Govt. Print. Office, 1971.
MLA-Zitierstil (8. Ausg.)Godfrey, E. Drexel, und Donald Harris. Basic Elements of Intelligence: A Manual of Theory, Structure and Procedures for Use by Law Enforcement Agencies Against Organized Crime. Dept. of Justice, Technical Assistance Division, Law Enforcement Assistance Administration U.S. Govt. Print. Office, 1971.