United States. Bureau of Reclamation. (1956). Spokane Valley Project, Washington.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited States. Bureau of Reclamation. Spokane Valley Project, Washington. Boise, Idaho, 1956.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUnited States. Bureau of Reclamation. Spokane Valley Project, Washington. 1956.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.