APA
Sadhu Singh, . (1994). Strength of materials. : Delhi Khanna pub.
Chicago
Sadhu Singh, . 1994. Strength of materials. : Delhi Khanna pub.
Harvard
Sadhu Singh, . (1994). Strength of materials. : Delhi Khanna pub.
MLA
Sadhu Singh, . Strength of materials. : Delhi Khanna pub. 1994.