Mansfield, Edwin. <br/><br/>
Study guide for Economics :  Principles, problems, decisions / 
Edwin Mansfield. 
 - 4th  ed. 
 - New York :  Norton,  1983. 
 - viii, 558 p. ;  26 cm. 
<br/><br/><label>ISBN: </label>0393952711 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics--Problems, exercises, etc.