American Society of Civil Engineers. (1991). Journal of Professional Issues in Engineering Education and Practice. American Society of Civil Engineers.
Chicago-referens (17:e uppl.)American Society of Civil Engineers. Journal of Professional Issues in Engineering Education and Practice. New York: American Society of Civil Engineers, 1991.
MLA-referens (8:e uppl.)American Society of Civil Engineers. Journal of Professional Issues in Engineering Education and Practice. American Society of Civil Engineers, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.