Critical Thinking for Helping Professionals:  A Skills-Based Workbook  [electronic resource] 
Eileen Gambrill and Leonard Gibbs 
 - 4th Edition 
 - Canada  Oxford University Press  c2017 
 - 1 online resource. 
<br/><br/><label>ISBN: </label>978-0-190-29730-5 
<br/><br/><label>LCCN: </label>2016038878