APA
Ramarutham, . (1997). Strength of Material. : New Delhi ,Dhanpat Rai& Sons.
Chicago
Ramarutham, . 1997. Strength of Material. : New Delhi ,Dhanpat Rai& Sons.
Harvard
Ramarutham, . (1997). Strength of Material. : New Delhi ,Dhanpat Rai& Sons.
MLA
Ramarutham, . Strength of Material. : New Delhi ,Dhanpat Rai& Sons. 1997.