Strahorn, R. E. (1877). The hand-book of Wyoming and guide to the Black Hills and Big Horn regions: For citizen, emigrant and tourist. R.E. Strahorn.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStrahorn, Robert E. The Hand-book of Wyoming and Guide to the Black Hills and Big Horn Regions: For Citizen, Emigrant and Tourist. Cheyenne, Wyo.: R.E. Strahorn, 1877.
एमएलए (8वां संस्करण) प्रशस्ति पत्रStrahorn, Robert E. The Hand-book of Wyoming and Guide to the Black Hills and Big Horn Regions: For Citizen, Emigrant and Tourist. R.E. Strahorn, 1877.
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