Certo, Samuel C. <br/><br/>
Supervision :  concepts and skill-building / 
Samuel C. Certo. 
 - 8th ed. 
 - New York :  McGraw-Hill Irwin,  c2013. 
 - xxviii, 596 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>007802918X 9780078029189 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Supervision of employees.