Dyfyniad APA

Webb, R. (2012). Lost canyons of the Green River: The story before Flaming Gorge Dam. University of Utah Press.

Dyfyniad Arddull Chicago

Webb, Roy. Lost Canyons of the Green River: The Story Before Flaming Gorge Dam. Salt Lake City: University of Utah Press, 2012.

Dyfyniad MLA

Webb, Roy. Lost Canyons of the Green River: The Story Before Flaming Gorge Dam. University of Utah Press, 2012.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.