American Institute of Steel Construction. (1970). Manual of steel construction (7th ed.). National Book Store.
Chicago-referens (17:e uppl.)American Institute of Steel Construction. Manual of Steel Construction. 7th ed. Manila: National Book Store, 1970.
MLA-referens (9:e uppl.)American Institute of Steel Construction. Manual of Steel Construction. 7th ed. National Book Store, 1970.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.