Bright, M. (2005). 1001 natural wonders you must see before you die. Barron's Educational Series.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBright, Michael. 1001 Natural Wonders You Must See Before You Die. Happauge, NY: Barron's Educational Series, 2005.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBright, Michael. 1001 Natural Wonders You Must See Before You Die. Barron's Educational Series, 2005.
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