Readings in introductory economics 
John R. McKean, Ronald A. Wykstra 
 - Englewood Cliffs,NJ  Prentice-Hall  c1969 
 - viii,260p.:  ill.;  24cm 
<br/><br/>Includes bibliographies 
<br/><br/><label>ISBN: </label>0000082761 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication.<br/>Speech.