Lomax, B. (2025). USA national parks 2025: The complete guide to all 63 parks (Fourth edition.). Avalon Travel/Hachette Book Group, Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLomax, Becky. USA National Parks 2025: The Complete Guide to All 63 Parks. Fourth edition. Oakland, CA: Avalon Travel/Hachette Book Group, Inc., 2025.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLomax, Becky. USA National Parks 2025: The Complete Guide to All 63 Parks. Fourth edition. Avalon Travel/Hachette Book Group, Inc., 2025.
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