Oregon. State Engineer, United States Reclamation Service, Lewis, J., & Whistler, J. T. (1915). Ochoco project and Crooked River investigations. Govt. print off..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOregon. State Engineer, United States Reclamation Service, John Lewis, और John T. Whistler. Ochoco Project and Crooked River Investigations. Washington: Govt. print off., 1915.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOregon. State Engineer, et al. Ochoco Project and Crooked River Investigations. Govt. print off., 1915.
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