APA引文

Duggal, S. K. (2009). Design of steel structures (3rd ed.). Tata McGraw Hill.

Chicago Style (17th ed.) Citation

Duggal, S. K. Design of Steel Structures. 3rd ed. New Delhi: Tata McGraw Hill, 2009.

MLA引文

Duggal, S. K. Design of Steel Structures. 3rd ed. Tata McGraw Hill, 2009.

警告：這些引文格式不一定是100％准確.