Mckean, John R. Wykstra, Ronald A. <br/><br/>
Reading In Introductory Economics. 

 - London :  HARPER & ROW, PUBLISHERS,  1971. 
 - 405 p. 
<br/><br/><label>ISBN: </label>060443820 
<br/><br/><label>Dewey Class. No.: </label>339  / MCK