Schey, H. M. (2005). Div, grad, curl, and all that: An informal text on vector calculus (4th edition.). W.W. Norton.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchey, H. M. Div, Grad, Curl, and All That: An Informal Text on Vector Calculus. 4th edition. New York: W.W. Norton, 2005.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSchey, H. M. Div, Grad, Curl, and All That: An Informal Text on Vector Calculus. 4th edition. W.W. Norton, 2005.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.