Gaya APA

Arya, ., Ajmani, I. (NULL). Design of stell structures . New: New delhi: N.C. Jain at the Rookee; 1980.

Gaya MLA

Arya, ., Ajmani, I.. "Design of stell structures". New: New delhi: N.C. Jain at the Rookee; 1980, NULL. Text.