Becker, Gary S. <br/><br/>
Economic theory / 
by Gary S. Becker 
 - 1st ed. 
 - New York:  Alfred a Knopf. Inc,   2007. 
 - x, 222p. 
<br/><br/><label>ISBN: </label>9780202309804 
<br/><br/><label>Dewey Class. No.: </label>X  / P7