Não informado. (1983). ASCE publications information. American Society of Civil Engineers.
Chicago-referens (17:e uppl.)Não informado. ASCE Publications Information. New York: American Society of Civil Engineers, 1983.
MLA-referens (8:e uppl.)Não informado. ASCE Publications Information. American Society of Civil Engineers, 1983.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.