Byrns, Ralph T. <br/><br/>
Microeconomics 
/ by Ralph T. Byrns 
 - 6th ed. 
 - USA  Harpercollins College Publishers  1995 
 - xxxi,505p. 
<br/><br/><label>ISBN: </label>0673993280 
<br/><br/><label>Dewey Class. No.: </label>339  / BYR/M