APA
Duggal S.K, . (2014). Limit State design of steel structure. : N Delhi Mcgrew hill.
Chicago
Duggal S.K, . 2014. Limit State design of steel structure. : N Delhi Mcgrew hill.
Harvard
Duggal S.K, . (2014). Limit State design of steel structure. : N Delhi Mcgrew hill.
MLA
Duggal S.K, . Limit State design of steel structure. : N Delhi Mcgrew hill. 2014.