Παραπομπή APA

Nag, D. (2012). Strength of materials (2nd ed.). Wiley - India.

Παραπομπή Chicago Style

Nag, Debabrata. Strength of Materials. 2nd ed. New Delhi: Wiley - India, 2012.

Παραπομπή MLA

Nag, Debabrata. Strength of Materials. 2nd ed. Wiley - India, 2012.