Angeles, H. L. (1977). Irrigation capability of the Penaranda river irrigation system and of the Sta. Cruz river irrigation system [microform]. Photoduplication Service. University of the Philippines Library.
Cita Chicago Style (17a ed.)Angeles, Honorato L. Irrigation Capability of the Penaranda River Irrigation System and of the Sta. Cruz River Irrigation System [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
Cita MLA (9a ed.)Angeles, Honorato L. Irrigation Capability of the Penaranda River Irrigation System and of the Sta. Cruz River Irrigation System [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Precaución: Estas citas no son 100% exactas.