GURUKUL BOOKS. (2018). SAMPLE PAPER BANK ISC SCIENCE STREAM - CLASS XI. GURUKUL BOOKS & PACKAGING.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGURUKUL BOOKS. SAMPLE PAPER BANK ISC SCIENCE STREAM - CLASS XI. AGRA: GURUKUL BOOKS & PACKAGING, 2018.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGURUKUL BOOKS. SAMPLE PAPER BANK ISC SCIENCE STREAM - CLASS XI. GURUKUL BOOKS & PACKAGING, 2018.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.