Παραπομπή APA

Ramamrutham, S. (2004). Strength of materials. Dhanpat Rai Publishing Co.

Παραπομπή Chicago Style

Ramamrutham, S. Strength of Materials. N.Delhi: Dhanpat Rai Publishing Co, 2004.

Παραπομπή MLA

Ramamrutham, S. Strength of Materials. Dhanpat Rai Publishing Co, 2004.