TY  - BOOK
AU  - De Leon, Hector S.
AU  - 
AU  - De Leon, Hector M. Jr.
TI  - The national internal revenue code: : annotated
SN  - 971-23-3851-7
U1  - 343.04 D346 2003 
CY  - Manila
PB  - Rex Book Store.
KW  - Internal Revenue Law
ER  -