Everitt, W. N., Lewis, R. T., & Symposium on Ordinary Differential Equations and Operators. (1983). Ordinary differential equations and operators. Berlin : Sringer-Verlag.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEveritt, W. N., R. T. Lewis, और Symposium on Ordinary Differential Equations and Operators. Ordinary Differential Equations and Operators. Berlin : Sringer-Verlag, 1983.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEveritt, W. N., et al. Ordinary Differential Equations and Operators. Berlin : Sringer-Verlag, 1983.
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