Webb, R. (2012). Lost canyons of the Green River: The story before Flaming Gorge Dam. University of Utah Press.
Lua i Stíl Chicago (17ú heag.)Webb, Roy. Lost Canyons of the Green River: The Story Before Flaming Gorge Dam. Salt Lake City: University of Utah Press, 2012.
Lua MLA (9ú heag.)Webb, Roy. Lost Canyons of the Green River: The Story Before Flaming Gorge Dam. University of Utah Press, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.