Cita APA (7th ed.)

(2001). Medium-term regional development plan, 2001-2004: Ilocos Region. Regional Development Council (RDC), National Economic and Development Authority.

Cita Chicago (17th ed.)

Medium-term Regional Development Plan, 2001-2004: Ilocos Region. Makati City: Regional Development Council (RDC), National Economic and Development Authority, 2001.

Cita MLA (9th ed.)

Medium-term Regional Development Plan, 2001-2004: Ilocos Region. Regional Development Council (RDC), National Economic and Development Authority, 2001.