Oliphant, J. O. (1947). The cattle herds and ranches of the Oregon country: 1860-1890. Agricultural History Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOliphant, J. Orin. The Cattle Herds and Ranches of the Oregon Country: 1860-1890. Washington, D.C.: Agricultural History Society, 1947.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOliphant, J. Orin. The Cattle Herds and Ranches of the Oregon Country: 1860-1890. Agricultural History Society, 1947.
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