Teodoro, Benjamin D. The Law on income taxation / Benjamin D. Teodoro and Hector S. de Leon. - 9th ed. - Philippines : Rex Book Store, c1993. - vi, 539 pages ; 22 cm ISBN: 9712314057 Subjects--Topical Terms: Income tax--Law and legislation--Philippines. LC Class. No.: KF5624.61 / I5T25 1993