Philippines. Region II. Regional Development Council. (2001). Regional strategic development plan 2001-2004: Cagayan Valley (Region II). Regional Development Council.
芝加哥风格引文Philippines. Region II. Regional Development Council. Regional Strategic Development Plan 2001-2004: Cagayan Valley (Region II). Cagayan Valley: Regional Development Council, 2001.
MLA引文Philippines. Region II. Regional Development Council. Regional Strategic Development Plan 2001-2004: Cagayan Valley (Region II). Regional Development Council, 2001.
警告：这些引文格式不一定是100％准确.