Welch, Patrick J. <br/><br/>
Economics :  theory and practice / 
Patrick J. Welch and Gerry F. Welch 
 - 6th ed. 
 - Fort Worth, TX. :  Dryden Press,  1998 
 - 678 p. :  ill. ;  23 cm. 
<br/><br/>includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0030244765  RM278.38 
<br/><br/><label>LCCN: </label>94-076178 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics