Lipsey, Richard G.,  1986 <br/><br/>
An introduction to positive economics / 
[by] Richard G. Lipsey. 
 - 7th ed. 
 - London :  Harper and Row  c1989. 
 - xxii, 810 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0297775979 :  £10.00. 0297795546 cased 0297795554 paperback 
<br/><br/><label>LCCN: </label>80453988  
<br/><br/><label>Nat. Bib. No.: </label>GB79-28478 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.
<br/><br/><label>LC Class. No.: </label>HB171  / . L66 1989 
<br/><br/><label>Dewey Class. No.: </label>330.1