Principles of economics/ 
Robert H. Frank [and three others] 
 - Seventh edition 
 - New York:  McGraw Hill,  2019. 
 - xxx, 798 pages:  illustrations;  28 cm. 
<br/><br/> Includes glossary and index. 
<br/><br/><label>ISBN: </label>9781260092912 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>LC Class. No.: </label>Circ HB 172.5 .P75 2019