American Society of Civil Engineers. Environmental Engineering Division. (1983). Journal of Environmental Engineering. American Society of Civil Engineers.
Lua i Stíl Chicago (17ú heag.)American Society of Civil Engineers. Environmental Engineering Division. Journal of Environmental Engineering. New York: American Society of Civil Engineers, 1983.
Lua MLA (8ú heag.)American Society of Civil Engineers. Environmental Engineering Division. Journal of Environmental Engineering. American Society of Civil Engineers, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.