Gaya APA

CONSTRUCTION, A, I, O, S. (1980). MANUAL OF STEEL CONSTRUCTION . United States of America: AMERICAN INSTIUTE OF STEEL CONSRUCTION.

Gaya MLA

CONSTRUCTION, AMERICAN, INSTITUTE, OF, STEEL. "MANUAL OF STEEL CONSTRUCTION". United States of America: AMERICAN INSTIUTE OF STEEL CONSRUCTION, 1980. Text.