APA-čujuhus (7. p.)
Ramamrutham, S., & Narayanan, R. (2003). Strength of materials (14th ed.). Dhanpat Rai.
Chicago-čujuhus (17. p.)
Ramamrutham, S., juo R. Narayanan. Strength of Materials. 14th ed. New Delhi: Dhanpat Rai, 2003.
MLA-čujuhus (9. p.)
Ramamrutham, S., juo R. Narayanan. Strength of Materials. 14th ed. Dhanpat Rai, 2003.
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