Philippines. Regional Development Council, Region II. (2001). Cagayan Valley regional development plan, 2001-2004. RDC II.
Čikaški stil citiranja (17. izdanje)Philippines. Regional Development Council, Region II. Cagayan Valley Regional Development Plan, 2001-2004. Tuguegarao City: RDC II, 2001.
MLA način citiranja (9. izdanje)Philippines. Regional Development Council, Region II. Cagayan Valley Regional Development Plan, 2001-2004. RDC II, 2001.
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