TY  - BOOK
ED  - Philippines (Republic). National Media Production Center.
TI  - Region I : : Ilocos Norte, Abra, Ilocos Sur, Mountain Province, Benguet, La Union and Pangasinan / 
PY  - 1977///
CY  - Manila : 
PB  - National Media Production Center
KW  - Ilocos Region (Philippines)
ER  -