APA引文

Ramamrutham, S. (2018). Strength of materials (11.). Dhanpat Rai.

芝加哥风格引文

Ramamrutham, S. Strength of Materials. 11. New Delhi: Dhanpat Rai, 2018.

MLA引文

Ramamrutham, S. Strength of Materials. 11. Dhanpat Rai, 2018.