Dyfyniad APA
Duggal, S. K. (2000). Design of steel structures (2nd ed.). Tata McGraw-Hill.
Dyfyniad Arddull Chicago
Duggal, S. K. Design of Steel Structures. 2nd ed. New Delhi: Tata McGraw-Hill, 2000.
Dyfyniad MLA
Duggal, S. K. Design of Steel Structures. 2nd ed. Tata McGraw-Hill, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.