Oes managers behaviour and leadership skills effect productivity

my proposal is done, and the questionnaire needed can be made up. i wil send the questionnaires for managers and staff that i did however new one can be created, later on , however they may need modifying as they are a rough guide. I have a study guide to follow that i would like to post if you could supply me with the address. Some of the things i need in my lit review for the dissertation is to;
1.Define management
2.Define leadership.
3.Schools of leadership
4.Roles of management
5.Where is discussion on other aspects such as:
relationship management
communication
conflict management
influencing
motivation
management development

linkage to my aims, general comments are also needed as in what the author(meaning the writer is trying to say
harvard referencing