Ham, A. (2023). California & Southwest USA's national parks (1st edition.). Lonely Planet.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHam, Anthony. California & Southwest USA's National Parks. 1st edition. [Dublin, Ireland]: Lonely Planet, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHam, Anthony. California & Southwest USA's National Parks. 1st edition. Lonely Planet, 2023.
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