Dyfyniad APA
Duggal, S. (2017). Limit state design of steel structures (2nd ed.). McGraw Hill Education(I) Pvt Ltd.
Dyfyniad Arddull Chicago
Duggal, S.K. Limit State Design of Steel Structures. 2nd ed. Chennai: McGraw Hill Education(I) Pvt Ltd, 2017.
Dyfyniad MLA
Duggal, S.K. Limit State Design of Steel Structures. 2nd ed. McGraw Hill Education(I) Pvt Ltd, 2017.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.