Agrawal, B. (1988). Introduction to engineering materials. Tata McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Agrawal, B.K. Introduction to Engineering Materials. New Delhi: Tata McGraw-Hill, 1988.
Lua MLA (9ú heag.)Agrawal, B.K. Introduction to Engineering Materials. Tata McGraw-Hill, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.