Soennichsen, J. R. (2008). Bretz's flood: The remarkable story of a rebel geologist and the world's greatest flood. Sasquatch Books ; Distributed by PGW/Perseus.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSoennichsen, John Robert. Bretz's Flood: The Remarkable Story of a Rebel Geologist and the World's Greatest Flood. Seattle, Wash. : [Berkeley, Calif.]: Sasquatch Books ; Distributed by PGW/Perseus, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSoennichsen, John Robert. Bretz's Flood: The Remarkable Story of a Rebel Geologist and the World's Greatest Flood. Sasquatch Books ; Distributed by PGW/Perseus, 2008.
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