Lua APA (7ú heag.)
Boyer, D. E., & Webb, R. H. (2007). Damming Grand Canyon: The 1923 USGS Colorado River expedition. Utah State University Press.
Lua i Stíl Chicago (17ú heag.)
Boyer, Diane E., agus Robert H. Webb. Damming Grand Canyon: The 1923 USGS Colorado River Expedition. Logan, Utah: Utah State University Press, 2007.
Lua MLA (9ú heag.)
Boyer, Diane E., agus Robert H. Webb. Damming Grand Canyon: The 1923 USGS Colorado River Expedition. Utah State University Press, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.