APA
NEGI L., . (1997). DESIGN OF STEEL STRUCTURES. : MCGRAW HILL.
Chicago
NEGI L.S, . 1997. DESIGN OF STEEL STRUCTURES. : MCGRAW HILL.
Harvard
NEGI L., . (1997). DESIGN OF STEEL STRUCTURES. : MCGRAW HILL.
MLA
NEGI L.S, . DESIGN OF STEEL STRUCTURES. : MCGRAW HILL. 1997.