Cogan, E. J. (1958). Handbook of calculus, difference and differential equations. Prentice-Hall, Inc.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCogan, Edward J. Handbook of Calculus, Difference and Differential Equations. Englewood Cliffs, NJ: Prentice-Hall, Inc, 1958.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCogan, Edward J. Handbook of Calculus, Difference and Differential Equations. Prentice-Hall, Inc, 1958.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.