Philippines. Department of Tourism. Cagayan Valley Region. (1997). Cagayan Valley Region 1997 tourism situationer. Department of Tourism. Regional Office.
Chicago Style (17th ed.) CitationPhilippines. Department of Tourism. Cagayan Valley Region. Cagayan Valley Region 1997 Tourism Situationer. Tuguegarao, Cagayan: Department of Tourism. Regional Office, 1997.
MLA (9th ed.) CitationPhilippines. Department of Tourism. Cagayan Valley Region. Cagayan Valley Region 1997 Tourism Situationer. Department of Tourism. Regional Office, 1997.
Warning: These citations may not always be 100% accurate.