O'Neil, P. V. (2008). Beginning partial differential equations (2nd ed.). Wiley-Interscience.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रO'Neil, Peter V. Beginning Partial Differential Equations. 2nd ed. Hoboken, N.J: Wiley-Interscience, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रO'Neil, Peter V. Beginning Partial Differential Equations. 2nd ed. Wiley-Interscience, 2008.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.