APA
Khurmi R S, . (2010). strength of materials. Delhi: Vikash.
Chicago
Khurmi R S, . 2010. strength of materials. Delhi: Vikash.
Harvard
Khurmi R S, . (2010). strength of materials. Delhi: Vikash.
MLA
Khurmi R S, . strength of materials. Delhi: Vikash. 2010.