Welch, Patrick J. <br/><br/>
Economics, theory and practice / 
Patrick J. Welch, Gerry F. Welch. 
 - 7th ed. 
 - Hoboken, NJ :  Wiley,  c2004. 
 - xiv, 544 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0470000287 
<br/><br/><label>LCCN: </label>2003267776 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.
<br/><br/><label>LC Class. No.: </label>HB171.5  / .W3935 2004 
<br/><br/><label>Dewey Class. No.: </label>330