Boothby, W. M. (2003). An introduction to differentiable manifolds and Riemannian geometry (Revised Second edition.). Academic Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBoothby, William M. An Introduction to Differentiable Manifolds and Riemannian Geometry. Revised Second edition. Amsterdam ; New York: Academic Press, 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBoothby, William M. An Introduction to Differentiable Manifolds and Riemannian Geometry. Revised Second edition. Academic Press, 2003.
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