SHAH ,P J. (1996). A TEXT BOOK OF ENGINEERING DRAWING I. JAICO PUBLISHING HOUSE.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSHAH ,P J. A TEXT BOOK OF ENGINEERING DRAWING I. AHMEDABAD: JAICO PUBLISHING HOUSE, 1996.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSHAH ,P J. A TEXT BOOK OF ENGINEERING DRAWING I. JAICO PUBLISHING HOUSE, 1996.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.