Grewal, B. (2003). Higher Engineering Mathematics (37.). Khanna Publishers.
Lua i Stíl Chicago (17ú heag.)Grewal, B.S. Higher Engineering Mathematics. 37. Delhi: Khanna Publishers, 2003.
Lua MLA (9ú heag.)Grewal, B.S. Higher Engineering Mathematics. 37. Khanna Publishers, 2003.
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