Philippines. Bureau of Soils and Water Management & Sulu Province Land Resources Evaluation Project. (1990). Watershed map. Bureau of Soils and Water Management.
Chicago Style (17th ed.) CitationPhilippines. Bureau of Soils and Water Management and Sulu Province Land Resources Evaluation Project. Watershed Map. [Quezon City]: Bureau of Soils and Water Management, 1990.
MLA (9th ed.) CitationPhilippines. Bureau of Soils and Water Management and Sulu Province Land Resources Evaluation Project. Watershed Map. Bureau of Soils and Water Management, 1990.
Warning: These citations may not always be 100% accurate.