De Leon, Hector S. The Law on sales, agency and credit transactions / Hector S. De Leon and Hector M. De Leon, Jr. - Manila : Rex book Store, 2013. - xlvi, 518 pages ; 22 centimeter. ISBN: 9789712364563 Subjects--Topical Terms: Commercial law. Dewey Class. No.: LAW 346.072 D37l 2013