De Leon, Hector S. The law on obligations and contracts / by Hector S. De Leon. - 2008 revised edition. - Manila, Philippines : Rex Book Store, Inc., c2008. - xxiii, 459 pages : black and white illustrations ; 22 cm., paperback. ISBN: 9789712350429 Subjects--Topical Terms: Commercial law.Obligations and contracts. Dewey Class. No.: FIL 346.59902 D346l 2008