Gaya APA

Swanson, C, P., Punmia, B. (NULL). Strenght of materials and mechanics of structures volume II . New: New Delhi: Standard; 1989.

Gaya MLA

Swanson, Carl, P.., Punmia, B.C.. "Strenght of materials and mechanics of structures volume II". New: New Delhi: Standard; 1989, NULL. Text.