Philippines. National Economic and Development Authority. (1983). Annual development performance report Region I, (Ilocos) CY 1983. National Economic and Development Authority.
Chicago-Zitierstil (17. Ausg.)Philippines. National Economic and Development Authority. Annual Development Performance Report Region I, (Ilocos) CY 1983. San Fernando, La Union: National Economic and Development Authority, 1983.
MLA-Zitierstil (9. Ausg.)Philippines. National Economic and Development Authority. Annual Development Performance Report Region I, (Ilocos) CY 1983. National Economic and Development Authority, 1983.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.