United States. Bureau of Reclamation, Guthrie, J. A., & Calhoun, W. T. (1942). Columbia Basin joint investigations, Washington: Markets and new lands. United States Dept. of the Interior, Bureau of Reclamation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited States. Bureau of Reclamation, John A. Guthrie, और Wendell T. Calhoun. Columbia Basin Joint Investigations, Washington: Markets and New Lands. Washington, D.C.: United States Dept. of the Interior, Bureau of Reclamation, 1942.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUnited States. Bureau of Reclamation, et al. Columbia Basin Joint Investigations, Washington: Markets and New Lands. United States Dept. of the Interior, Bureau of Reclamation, 1942.
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