Certo, Samuel C. <br/><br/>
Supervision: Concepts and Skill-Building 

 - 7th.ed 
 - America  McGraw-Hill/Irwin  2010 
 - xxviii, 584pages; 25cm. 
<br/><br/> Includes Appendix Glossary and Index 
<br/><br/><label>ISBN: </label>978-0-07-122045-3 
<br/><br/><label>Dewey Class. No.: </label>GR/658.302/C33/2010