De Leon, Hector Salva Comments and cases on obligations and contracts / Hector S. De Leon and Hector M. De Leon. - 4th ed. - Manila : Rex Book Store, 2003. - xxxvi, 914 p. ; 24 cm. Includes bibliographical references. ISBN: 9712338894 Subjects--Topical Terms: Obligations (Law) Philippines. Contracts Philippines. LC Class. No.: KPM810 / .D44 2003