Horizons/ 
Joan H.Manley...[et al.]. 
 - 5th ed. 
 - Singapore:  Cengage,  2012. 
 - v,264p.; 
<br/><br/><label>ISBN: </label>9780495912538 
<br/><br/><label>Subjects--Topical Terms: </label><br/>horizons
<br/><br/><label>LC Class. No.: </label>PC2129.E5H67 2012