TY  - BOOK
AU  - De Leon, Hector S.
AU  - De Leon, Hector S.
TI  - The National Internal Revenue Code annotated: (P.D. No. 1158, as amended up to R.A. No. 8761). 
SN  - 9712329534
PY  - 2000///
CY  - Manila
PB  - Rex Book Store
KW  - Internal revenue law
KW  - sears
KW  - Taxation
ER  -