B S Grewal. (2022). Higher Engineering Mathematics (4th ed.4th ed.). Khanna Publication.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रB S Grewal. Higher Engineering Mathematics. 4th ed.4th ed. Delhi: Khanna Publication, 2022.
एमएलए (9वां संस्करण) प्रशस्ति पत्रB S Grewal. Higher Engineering Mathematics. 4th ed.4th ed. Khanna Publication, 2022.
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