American Institute of Steel Construction. (1980). Manual of steel construction (8th ed.). Cardinal Book Store.
Cita Chicago (17th ed.)American Institute of Steel Construction. Manual of Steel Construction. 8th ed. Manila: Cardinal Book Store, 1980.
Cita MLA (9th ed.)American Institute of Steel Construction. Manual of Steel Construction. 8th ed. Cardinal Book Store, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.