Grewal B S. Higher engineering mathematics (44th.). Khanna Pub.
Lua i Stíl Chicago (17ú heag.)Grewal B S. Higher Engineering Mathematics. 44th. New Delhi: Khanna Pub.
Lua MLA (9ú heag.)Grewal B S. Higher Engineering Mathematics. 44th. Khanna Pub.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.