Delattre, E. J. (1996). Character and cops: Ethics in policing (3rd ed.). Washington, DC: AEI.
6.
Feldberg, M. (1985). Gratuities, corruption, and the democratic ethos of policing: The case of the free cup of coffee. In F. A. Elliston & M. Feldberg (Eds.), Moral issues in police work (pp. 267-276). Totowa, NJ: Roman and Allanheld.
7.
Goldstein, H. (1977). Policing in a free society. Cambridge, MA: Ballinger.
8.
Kania, R. R. E. (1988, summer/fall). Should we tell the police to say “yes” to gratuities? Criminal Justice Ethics, pp. 38-48.
9.
Kappeler, V. E., Sluder, R. D., & Alpert, G. P. (1994). Forces of deviance: Understanding the dark side of policing. Prospect Heights, IL: Waveland.
10.
Kleinig, J. (1996). The ethics of policing. Cambridge, UK: Cambridge University Press.
11.
McMullan, M. (1961). A theory of corruption. Sociological Review, 9, 181-201.
12.
Merton, R. K. (1957). Social theory and social structure. New York: Free Press.
13.
Pollock, J. M. (1987). Ethics in crime and justice: Dilemmas and decisions (3rd ed.). Belmont, CA: Wadsworth.
14.
Sheehan, R., & Cordner, G. W. (1995). Police administration (3rd ed.). Cincinnati, OH: Anderson.
15.
Sherman, L. W. (1985). Becoming bent: Moral careers of corrupt policemen. In F. A. Elliston & M. Feldberg (Eds.), Moral issues in police work (pp. 253-265). Totowa, NJ: Roman and Allanheld.
16.
Souryal, S. S. (1975, February). Stages of police corruption. Police Chief, pp. 63-65.
17.
Souryal, S. S. (1979, December). Etiology of police corruption. Police Chief, pp. 77-79.
18.
Sykes, G., & Matza, D. (1957). Techniques of neutralization: A theory of juvenile delinquency. American Journal of Sociology, 22, 664-670.