Cita APA (7th ed.)
Singhal, B. L. (1999). Strength of materials. Everest Pub.
Cita Chicago (17th ed.)
Singhal, B. L. Strength of Materials. Calcutta: Everest Pub, 1999.
Cita MLA (9th ed.)
Singhal, B. L. Strength of Materials. Everest Pub, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.