Bush, Tony. <br/><br/>
Theories of educational leadership and management / 
Tony Bush. 
 - 4th ed. 
 - Thousand Oaks, CA :  Sage,  2010. 
 - p. cm. 
<br/><br/><label>ISBN: </label>9781848601901 9781848601918 
<br/><br/><label>LCCN: </label>2010-920844 
<br/><br/><label>LC Class. No.: </label>LB2805  / .B87 2010