TY  - BOOK
AU  - DE LEON , HECTOR S.	
AU  - DE LEON , HECTOR M. JR.	
TI  - The national internal revenue code : : annotated / 
SN  - 971-23-3890-8
U1  - Fil. 343.59904 D278 2003 8th ed. 
PY  - 2003///
CY  - Manila, Phil.
PB  -  Rex Book Store, 
KW  - Internal revenue law-Phil
ER  -