List of rivers of the Philippine Islands with information as ti location, navigability, shelter afforded and adjacent population. Comp. by the Division of Port Works, Bureau of Navigation [microform].

Xehetasun bibliografikoak
Erakunde egilea: Philippine Islands. Bureau of Navigation
Formatua: Visual Material
Argitaratua: Quezon City Photoduplication Service University of the Philippines Library, 1975.
Gaiak: