Walker, C. G. (2023). Yellowstone to Glacier National Park: Road trip (Second edtition.). Avalon Travel.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWalker, Carter G. Yellowstone to Glacier National Park: Road Trip. Second edtition. Berkeley, CA: Avalon Travel, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWalker, Carter G. Yellowstone to Glacier National Park: Road Trip. Second edtition. Avalon Travel, 2023.
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