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.
Cita Chicago Style (17a ed.)Godfrey, E. Drexel, y 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.
Cita MLA (8a ed.)Godfrey, E. Drexel, y 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.