Ramamrutham. (1986). Stermghjt of Materials. Dhanpatrai.
Chicago Style aipamenaRamamrutham. Stermghjt of Materials. Delhi: Dhanpatrai, 1986.
MLA aipamenaRamamrutham. Stermghjt of Materials. Dhanpatrai, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.