APA
Khurmi R.S, .Strength of Materials. New Delhi: Sultan Chand & Sons.
Chicago
Khurmi R.S, .Strength of Materials. New Delhi: Sultan Chand & Sons.
Harvard
Khurmi R.S, .Strength of Materials. New Delhi: Sultan Chand & Sons.
MLA
Khurmi R.S, .New Delhi: Sultan Chand & Sons. .