Não informado. (1977). Journal of the Technical Councils of ASCE. American Society of Civil Engineers.
Chicago-referens (17:e uppl.)Não informado. Journal of the Technical Councils of ASCE. New York: American Society of Civil Engineers, 1977.
MLA-referens (8:e uppl.)Não informado. Journal of the Technical Councils of ASCE. American Society of Civil Engineers, 1977.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.