Dale Bruce & Page, J. (1998). The american southwest: Land of challenge and promise. National Geographic Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDale Bruce और Jake Page. The American Southwest: Land of Challenge and Promise. Washington: National Geographic Society, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDale Bruce और Jake Page. The American Southwest: Land of Challenge and Promise. National Geographic Society, 1998.
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