De Leon, Hector Salva. <br/><br/>
The fundamentals of taxation / 
By Hector S. de Leon and Hector M. de Leon, jr. 
 - 14th ed. 
 - Manila :  REX Book Store,  c2004. 
 - xxviii, 346 p. 
<br/><br/><label>ISBN: </label>971-23-3950-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Taxation--Law and legislation--Philippines