Irrigation Districts Association of California. Water Economics Committee, Irrigation Districts Association of California, & Association of California Water Agencies. (1951). Western water news. [Water Economics Committee of the Irrigation Districts Association of California.
Παραπομπή σε μορφή Chicago (17η εκδ.)Irrigation Districts Association of California. Water Economics Committee, Irrigation Districts Association of California, και Association of California Water Agencies. Western Water News. San Francisco, Calif.: [Water Economics Committee of the Irrigation Districts Association of California, 1951.
Παραπομπή σε μορφή MLA (8th εκδ.)Irrigation Districts Association of California. Water Economics Committee, et al. Western Water News. [Water Economics Committee of the Irrigation Districts Association of California, 1951.