O'Neil, P. V. (2014). Beginning partial differential equations (Third edition.). Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रO'Neil, Peter V. Beginning Partial Differential Equations. Third edition. Hoboken, New Jersey: Wiley, 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्रO'Neil, Peter V. Beginning Partial Differential Equations. Third edition. Wiley, 2014.
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