De Leon, Hector S. The law on obligations and contracts / by Hector S. De Leon and Hector M. De Leon. - 2011 rev. ed. - Manila, Philippines : Published & distributed by Rex Book Store, 2011. - xxiii, 465 p. ; 23 cm. ISBN: 9789712360046 LCCN: 2011308299 Subjects--Topical Terms: Contracts--Philippines.Obligations (Law)--Philippines. LC Class. No.: KPM810 / .D45 2011