United States. Bureau of Reclamation. (1946). Columbia Basin project, Washington, irrigation system (Rev. 5-12-45 and 9-17-46.). The Bureau.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited States. Bureau of Reclamation. Columbia Basin Project, Washington, Irrigation System. Rev. 5-12-45 and 9-17-46. Denver, Colo.: The Bureau, 1946.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUnited States. Bureau of Reclamation. Columbia Basin Project, Washington, Irrigation System. Rev. 5-12-45 and 9-17-46. The Bureau, 1946.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.