American Society of Civil Engineers. Geo-Institute. (1997). Journal of Geotechnical and Geoenvironmental Engineering. American Society of Civil Engineers.
Lua i Stíl Chicago (17ú heag.)American Society of Civil Engineers. Geo-Institute. Journal of Geotechnical and Geoenvironmental Engineering. New York: American Society of Civil Engineers, 1997.
Lua MLA (8ú heag.)American Society of Civil Engineers. Geo-Institute. Journal of Geotechnical and Geoenvironmental Engineering. American Society of Civil Engineers, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.