Austin, A., Collins, A., Super, D., Tupper, S., & Walker, C. (2021). Fodor's The Black Hills of South Dakota: With Mount Rushmore and Badlands National Park (First edition.). Fodor's Travel.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAustin, Andy, Andrew Collins, David Super, Seth Tupper, और Carson Walker. Fodor's The Black Hills of South Dakota: With Mount Rushmore and Badlands National Park. First edition. New York: Fodor's Travel, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAustin, Andy, et al. Fodor's The Black Hills of South Dakota: With Mount Rushmore and Badlands National Park. First edition. Fodor's Travel, 2021.
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