ARORA SUMITRA. (2021). PROGRESS IN COMPUTER SCIENCE WITH PYTHON PRACTICAL BOOK FOR CLASS XI (2021.). DHANPAT RAI & CO.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रARORA SUMITRA. PROGRESS IN COMPUTER SCIENCE WITH PYTHON PRACTICAL BOOK FOR CLASS XI. 2021. NEW DELHI: DHANPAT RAI & CO, 2021.
एमएलए (9वां संस्करण) प्रशस्ति पत्रARORA SUMITRA. PROGRESS IN COMPUTER SCIENCE WITH PYTHON PRACTICAL BOOK FOR CLASS XI. 2021. DHANPAT RAI & CO, 2021.
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