Lipsey, Richard C. <br/><br/>
An introduction to positive economics / 
by Richard G. Lipsey and K. Alec Chrystal. 
 - 8th ed. 
 - New York :  Oxford Univ.,  1995. 
 - 919 p. :  illus ;  25 cm. 
<br/><br/><label>ISBN: </label>0198774257 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.