Ahsan, Z. (2001). Differential equations and their applications. Prentice-Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAhsan, Zafar. Differential Equations and Their Applications. New Delhi: Prentice-Hall, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAhsan, Zafar. Differential Equations and Their Applications. Prentice-Hall, 2001.
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