Philippines. National Economic and Development Authority. Regional Development Council, Region I. (1986). Ilocos region development plan, 1987-1992. RDC, Region I.
Cita Chicago Style (17a ed.)Philippines. National Economic and Development Authority. Regional Development Council, Region I. Ilocos Region Development Plan, 1987-1992. [San Fernando, La Union]: RDC, Region I, 1986.
Cita MLA (9a ed.)Philippines. National Economic and Development Authority. Regional Development Council, Region I. Ilocos Region Development Plan, 1987-1992. RDC, Region I, 1986.
Precaución: Estas citas no son 100% exactas.