Ompare and Contrast four leadership models or theories.

Use the following leadership models:
Situational Leadership
Transformational Leadership
Charismatic Leadership
Results focused leadership
Describe the similarities and differrences between these models
Discuss how each model might address contemporary leadership issues and challenges. For the purpose of the assignment us the terms models and theories synonymously. Use references and peer-reviewed literature to support your judgements, assertions, and conclusions.
Books for rererences can be
Avolio, B.J., & Yammarino, F.J. 2002. Transformational and charismatic leadership. The Road Ahead, San Diego, CA: Emerald
Wren, J.T.(1995 The leaders companion: Insights on leadership through ages. New York, NY: The free press
Clawson, J.G. (2006) Level three leadership: Getting below the surface (3rd ed.) Upper Saddle River