Kreyszig, E. (1968). Introduction to differential geometry and Riemannian geometry. University of Toronto Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKreyszig, Erwin. Introduction to Differential Geometry and Riemannian Geometry. [Toronto]: University of Toronto Press, 1968.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKreyszig, Erwin. Introduction to Differential Geometry and Riemannian Geometry. University of Toronto Press, 1968.
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