GUPTA.K.K & MALHOTRA, S. (2012). FRANK MIDDLE SCHOOL SCIENCE AND TECHNOLOGY WORKBOOK CLASS- 6. FRANK BROS & CO.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGUPTA.K.K & MALHOTRA, STALIN. FRANK MIDDLE SCHOOL SCIENCE AND TECHNOLOGY WORKBOOK CLASS- 6. FRANK BROS & CO, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGUPTA.K.K & MALHOTRA, STALIN. FRANK MIDDLE SCHOOL SCIENCE AND TECHNOLOGY WORKBOOK CLASS- 6. FRANK BROS & CO, 2012.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.