Gaya APA
Singh, S., Swanson, C, P. ().
**Strength of materials a textbook for engineering students .
Delhi::
Delhi: Khanna; 1990.
Gaya MLA
Singh, Sadhu., Swanson, Carl, P..
"**Strength of materials a textbook for engineering students".
Delhi::
Delhi: Khanna; 1990,
.
Text.