Philippines. Regional Development Council, Region II. (2001). Cagayan Valley regional development plan, 2001-2004. RDC II.
Lua i Stíl Chicago (17ú heag.)Philippines. Regional Development Council, Region II. Cagayan Valley Regional Development Plan, 2001-2004. Tuguegarao City: RDC II, 2001.
Lua MLA (9ú heag.)Philippines. Regional Development Council, Region II. Cagayan Valley Regional Development Plan, 2001-2004. RDC II, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.