De Leon, Hector S. <br/><br/>
The law on obligations and contracts / 
by Hector S. De Leon. 
 - rev. ed. 
 - Manila :  Rexbookstore,  c2008. 
 - 459 p. ; 22 cm. 
<br/><br/><label>ISBN: </label>9789712350429 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contracts--Philippines.<br/>Obligations (law)--Philippines.