Study guide to accompany the economy today / 
Prepared : Lawrence F. Ziegler, Linda Wilson 
 - 7th ed. 
 - New York :  McGraw-Hill Companies, Inc.,  1997 
 - 666 p. 
<br/><br/><label>ISBN: </label>0070578044 
<br/><br/><label>Subjects--Index Terms: </label>Kinh tế học 
<br/><br/><label>Dewey Class. No.: </label>330  / STU 1997