1. Allen, D. (1980). Street-level police supervision: the effect of supervision on police officer activities, agency outputs, and neighborhood outcomes. PhD dissertation, Indiana University. Ann Arbor, MI: University Microfilms International.
2. Police supervision on the street: an analysis of supervisor/officer interaction during the shift;Allen;Journal of Criminal Justice,1982
3. Judging police performance: views and behavior of patrol officers;Allen,1983
4. Leadership and performance beyond expectations;Bass,1985
5. Improving organizational effectiveness through transformational leadership;Bass,1994