APA (7e ed.) Bronvermelding
Duggal, S. (2017). Limit state design of steel structures (2nd ed.). McGraw Hill Education(I) Pvt Ltd.
Chicago (17e ed.) Bronvermelding
Duggal, S.K. Limit State Design of Steel Structures. 2nd ed. Chennai: McGraw Hill Education(I) Pvt Ltd, 2017.
MLA (9e ed.) Bronvermelding
Duggal, S.K. Limit State Design of Steel Structures. 2nd ed. McGraw Hill Education(I) Pvt Ltd, 2017.
Let op: Deze citaties zijn niet altijd 100% accuraat.